Deploy files from GitHub repository

.env.example

@@ -0,0 +1,11 @@
+DB_HOST =
+DB_USER =
+DB_PASSWORD =
+DB_PORT =
+DB_NAME =
+SALT =
+HOST_ADDRESS = 
+HOST_PORT = 
+LOG_PATH = logs
+OPEN_AI_API_KEY =
+REPLICATE_API_TOKEN =

.github/workflows/deploy.yml

@@ -0,0 +1,52 @@
+name: Deploy to Huggingface
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy-to-huggingface:
+    runs-on: ubuntu-latest
+
+    steps:
+      # Checkout repository
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+
+      # Setup Git
+      - name: Setup Git for Huggingface
+        run: |
+          git config --global user.email "abdan.hafidz@gmail.com"
+          git config --global user.name "abdanhafidz"
+
+      # Clone Huggingface Space Repository
+      - name: Clone Huggingface Space
+        env:
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        run: |
+          git clone https://huggingface.co/spaces/lifedebugger/urna-backend space
+
+      # Update Git Remote URL and Pull Latest Changes
+      - name: Update Remote and Pull Changes
+        env:
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        run: |
+          cd space
+          git remote set-url origin https://lifedebugger:$HF_TOKEN@huggingface.co/spaces/lifedebugger/urna-backend
+          git pull origin main || echo "No changes to pull"
+
+      # Copy Files to Huggingface Space
+      - name: Copy Files to Space
+        run: |
+          rsync -av --exclude='.git' ./ space/
+
+      # Commit and Push to Huggingface Space
+      - name: Commit and Push to Huggingface
+        env:
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        run: |
+          cd space
+          git add .
+          git commit -m "Deploy files from GitHub repository" || echo "No changes to commit"
+          git push origin main || echo "No changes to push"

.github/workflows/go.yml

@@ -0,0 +1,28 @@
+# This workflow will build a golang project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
+
+name: Go
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.20'
+
+    - name: Build
+      run: go build -v ./...
+
+    - name: Test
+      run: go test -v ./...

.gitignore

@@ -0,0 +1,5 @@
+.env
+vendor/
+quzuu-be.exe
+README.md
+.qodo

Dockerfile

@@ -0,0 +1,40 @@
+# Gunakan image dasar Golang versi 1.24.1
+FROM golang:1.24.1
+
+# Set working directory
+WORKDIR /app
+
+# Copy go.mod dan go.sum
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy seluruh kode
+COPY . .
+
+# Buat file .env dengan variabel environment menggunakan Hugging Face secrets
+RUN --mount=type=secret,id=HF_TOKEN,mode=0444,required=true \
+    --mount=type=secret,id=DB_PASSWORD,mode=0444,required=false \
+    --mount=type=secret,id=OPENAI_API_KEY,mode=0444,required=false \
+    --mount=type=secret,id=REPLICATE_API_TOKEN,mode=0444,required=false \
+    echo "DB_HOST=aws-0-ap-southeast-1.pooler.supabase.com" >> .env && \
+    echo "DB_USER=postgres.iuwuiuoisqnfdzlgwurl" >> .env && \
+    echo "DB_PASSWORD=$(cat /run/secrets/DB_PASSWORD 2>/dev/null')" >> .env && \
+    echo "DB_PORT=5432" >> .env && \
+    echo "DB_NAME=kpppl" >> .env && \
+    echo "SALT=NZNZtY7dNPz8l0dWINJZLKafWaJrql1s" >> .env && \
+    echo "HOST_ADDRESS=0.0.0.0" >> .env && \
+    echo "HOST_PORT=7860" >> .env && \
+    echo "LOG_PATH=logs" >> .env && \
+    echo "EMAIL_VERIFICATION_DURATION=2" >> .env && \
+    echo "OPEN_AI_API_KEY=$(cat /run/secrets/OPENAI_API_KEY 2>/dev/null)" >> .env && \
+    echo "REPLICATE_API_TOKEN=$(cat /run/secrets/REPLICATE_API_TOKEN 2>/dev/null)" >> .env && \
+# Build aplikasi
+RUN go build -o main .
+
+# Expose port untuk Hugging Face Spaces
+EXPOSE 7860
+
+# Jalankan aplikasi
+CMD ["./main"]

LICENSE

@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright 2025 Abdan Hafidz
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.

README.md

@@ -1,10 +1,8 @@
----
+```
 title: Urna Backend
 emoji: 🏃
 colorFrom: blue
 colorTo: pink
 sdk: docker
 pinned: false
----
-
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+```

config/config.go

@@ -0,0 +1,27 @@
+package config
+
+import (
+	"os"
+	"strconv"
+
+	"github.com/joho/godotenv"
+)
+
+var TCP_ADDRESS string
+var LOG_PATH string
+var HOST_ADDRESS string
+var HOST_PORT string
+var EMAIL_VERIFICATION_DURATION int
+var OPEN_AI_API_KEY string
+var REPLICATE_API_KEY string
+
+func init() {
+	godotenv.Load()
+	HOST_ADDRESS = os.Getenv("HOST_ADDRESS")
+	HOST_PORT = os.Getenv("HOST_PORT")
+	TCP_ADDRESS = HOST_ADDRESS + ":" + HOST_PORT
+	LOG_PATH = os.Getenv("LOG_PATH")
+	EMAIL_VERIFICATION_DURATION, _ = strconv.Atoi(os.Getenv("EMAIL_VERIFICATION_DURATION"))
+	OPEN_AI_API_KEY = os.Getenv("OPEN_AI_API_KEY")
+	REPLICATE_API_KEY = os.Getenv("REPLICATE_API_KEY")
+}

config/database_connection_config.go

@@ -0,0 +1,61 @@
+package config
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+
+	models "github.com/abdanhafidz/ai-visual-multi-modal-backend/models"
+	"github.com/joho/godotenv"
+)
+
+var DB *gorm.DB
+var err error
+var Salt string
+
+func init() {
+	godotenv.Load()
+	if err != nil {
+		fmt.Println("Gagal membaca file .env")
+		return
+	}
+	os.Setenv("TZ", "Asia/Jakarta")
+	dbHost := os.Getenv("DB_HOST")
+	dbPort := os.Getenv("DB_PORT")
+	dbUser := os.Getenv("DB_USER")
+	dbPassword := os.Getenv("DB_PASSWORD")
+	dbName := os.Getenv("DB_NAME")
+	Salt := os.Getenv("SALT")
+	dsn := "host=" + dbHost + " user=" + dbUser + " password=" + dbPassword + " dbname=" + dbName + " port=" + dbPort + " sslmode=disable TimeZone=Asia/Jakarta"
+	DB, err = gorm.Open(postgres.Open(dsn), &gorm.Config{TranslateError: true})
+	if err != nil {
+		panic(err)
+	}
+	if Salt == "" {
+		Salt = "D3f4u|t"
+	}
+
+	// Call AutoMigrateAll to perform auto-migration
+	AutoMigrateAll(DB)
+}
+
+func AutoMigrateAll(db *gorm.DB) {
+	// Enable logger to see SQL logs
+	db.Logger.LogMode(logger.Info)
+
+	// Auto-migrate all models
+	err := db.AutoMigrate(
+		&models.Account{},
+		&models.ChatHistory{},
+	)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println("Migration completed successfully.")
+}

config/openai_client_config.go

@@ -0,0 +1,11 @@
+package config
+
+import (
+	"github.com/sashabaranov/go-openai"
+)
+
+var OpenAIClient *openai.Client
+
+func init() {
+	OpenAIClient = openai.NewClient(OPEN_AI_API_KEY)
+}

config/replicate_client_config.go

@@ -0,0 +1,14 @@
+package config
+
+import (
+	"github.com/replicate/replicate-go"
+)
+
+var ReplicateClient *replicate.Client
+
+func init() {
+	ReplicateClient, err = replicate.NewClient(replicate.WithTokenFromEnv())
+	if err != nil {
+		panic(err)
+	}
+}

controller/controller.go

@@ -0,0 +1,64 @@
+package controller
+
+import (
+	models "github.com/abdanhafidz/ai-visual-multi-modal-backend/models"
+	services "github.com/abdanhafidz/ai-visual-multi-modal-backend/services"
+	utils "github.com/abdanhafidz/ai-visual-multi-modal-backend/utils"
+	"github.com/gin-gonic/gin"
+)
+
+type (
+	Controller interface {
+		HeaderParse(ctx *gin.Context)
+		RequestJSON(ctx *gin.Context, request any)
+		Response(ctx *gin.Context, res any)
+	}
+	controller[TService services.Service] struct {
+		accountData models.AccountData
+		service     TService
+	}
+)
+
+func (c *controller[TService]) HeaderParse(ctx *gin.Context) {
+	cParam, _ := ctx.Get("account_data")
+	if cParam != nil {
+		c.accountData = cParam.(models.AccountData)
+	}
+}
+
+func (c *controller[TService]) RequestJSON(ctx *gin.Context, request any) {
+	cParam, _ := ctx.Get("AccountData")
+	if cParam != nil {
+		c.accountData = cParam.(models.AccountData)
+	}
+
+	errBinding := ctx.ShouldBindJSON(&request)
+	if errBinding != nil {
+		utils.ResponseFAIL(ctx, 400, models.Exception{
+			BadRequest: true,
+			Message:    "Invalid Request!, recheck your request, there's must be some problem about required parameter or type parameter",
+		})
+		return
+	}
+}
+
+func (c *controller[TService]) Response(ctx *gin.Context, res any) {
+	switch {
+	case c.service.Error() != nil:
+		utils.ResponseFAIL(ctx, 500, models.Exception{
+			InternalServerError: true,
+			Message:             "Internal Server Error",
+		})
+		utils.LogError(c.service.Error())
+	case c.service.Exception().DataDuplicate:
+		utils.ResponseFAIL(ctx, 400, c.service.Exception())
+	case c.service.Exception().Unauthorized:
+		utils.ResponseFAIL(ctx, 401, c.service.Exception())
+	case c.service.Exception().DataNotFound:
+		utils.ResponseFAIL(ctx, 404, c.service.Exception())
+	case c.service.Exception().Message != "":
+		utils.ResponseFAIL(ctx, 400, c.service.Exception())
+	default:
+		utils.ResponseOK(ctx, res)
+	}
+}

controller/home_controller.go

@@ -0,0 +1,9 @@
+package controller
+
+import "github.com/gin-gonic/gin"
+
+func HomeController(c *gin.Context) {
+	c.JSON(200, gin.H{
+		"message": "API Is Running Gladly!",
+	})
+}

controller/prediction_controller.go

@@ -0,0 +1,95 @@
+package controller
+
+import (
+	"fmt"
+	"mime/multipart"
+
+	models "github.com/abdanhafidz/ai-visual-multi-modal-backend/models"
+	services "github.com/abdanhafidz/ai-visual-multi-modal-backend/services"
+	utils "github.com/abdanhafidz/ai-visual-multi-modal-backend/utils"
+	"github.com/gin-gonic/gin"
+)
+
+type (
+	PredictionController interface {
+		Controller
+		Predict(ctx *gin.Context)
+	}
+
+	predictionController struct {
+		*controller[services.PredictionService]
+	}
+)
+
+func requestImage(ctx *gin.Context, image *multipart.File, imageFilename *string) {
+	imageHeader, err := ctx.FormFile("image_file")
+	if err != nil {
+		utils.ResponseFAIL(ctx, 400, models.Exception{
+			BadRequest: true,
+			Message:    "Image file is required",
+		})
+		return
+	}
+	imageFile, err := imageHeader.Open()
+	if err != nil {
+		utils.ResponseFAIL(ctx, 400, models.Exception{
+			BadRequest: true,
+			Message:    "Failed to open image file",
+		})
+		return
+	}
+	*image = imageFile
+	*imageFilename = imageHeader.Filename
+	defer imageFile.Close()
+}
+
+func requestAudio(ctx *gin.Context, audio *multipart.File, audioFilename *string) {
+	audioHeader, err := ctx.FormFile("audio_file")
+	fmt.Println(audioHeader.Filename)
+	if err != nil {
+		utils.ResponseFAIL(ctx, 400, models.Exception{
+			BadRequest: true,
+			Message:    "Audio file is required",
+		})
+		return
+	}
+	audioFile, err := audioHeader.Open()
+	if err != nil {
+		utils.ResponseFAIL(ctx, 400, models.Exception{
+			BadRequest: true,
+			Message:    "Failed to open audio file",
+		})
+		return
+	}
+	*audio = audioFile
+	*audioFilename = audioHeader.Filename
+	defer audioFile.Close()
+}
+
+func NewPredictionController(predictionService services.PredictionService) PredictionController {
+	return &predictionController{
+		controller: &controller[services.PredictionService]{
+			service: predictionService,
+		},
+	}
+}
+func (c *predictionController) Predict(ctx *gin.Context) {
+
+	var predictionRequest models.PredictionRequest
+
+	requestImage(ctx, &predictionRequest.ImageFile, &predictionRequest.ImageFileName)
+	requestAudio(ctx, &predictionRequest.AudioQuestionFile, &predictionRequest.AudioQuestionFilename)
+
+	predictionResult, text_output := c.service.Predict(ctx, predictionRequest)
+
+	if c.service.Error() != nil {
+		c.Response(ctx, nil)
+		return
+	}
+
+	ctx.Header("Content-Type", "audio/mpeg")
+	ctx.Header("Content-Disposition", "inline; filename=response.mp3")
+	ctx.Header("X-Response-Text", text_output)
+	ctx.Data(200, "audio/mpeg", predictionResult)
+
+}

factory/factory.go

@@ -0,0 +1 @@
+package factory

factory/prediction_factory.go

@@ -0,0 +1,19 @@
+package factory
+
+import (
+	"github.com/abdanhafidz/ai-visual-multi-modal-backend/config"
+	"github.com/abdanhafidz/ai-visual-multi-modal-backend/controller"
+	repositories "github.com/abdanhafidz/ai-visual-multi-modal-backend/repositories"
+	"github.com/abdanhafidz/ai-visual-multi-modal-backend/services"
+)
+
+func NewPredictionModule() controller.PredictionController {
+	var repo repositories.Repository
+
+	openAIService := services.NewOpenAIService(repo, config.OpenAIClient)
+	replicateService := services.NewReplicateService(repo, config.ReplicateClient, "lucataco/moondream2:72ccb656353c348c1385df54b237eeb7bfa874bf11486cf0b9473e691b662d31")
+	predictionService := services.NewPredictionService(replicateService, openAIService)
+	predictionController := controller.NewPredictionController(predictionService)
+
+	return predictionController
+}

go.mod

@@ -0,0 +1,53 @@
+module github.com/abdanhafidz/ai-visual-multi-modal-backend
+
+go 1.24.0
+
+require (
+	github.com/dgrijalva/jwt-go v3.2.0+incompatible
+	github.com/gin-gonic/gin v1.10.0
+	github.com/golang-jwt/jwt/v5 v5.2.1
+	github.com/joho/godotenv v1.5.1
+	github.com/satori/go.uuid v1.2.0
+	golang.org/x/crypto v0.36.0
+	gorm.io/driver/postgres v1.5.11
+	gorm.io/gorm v1.25.12
+)
+
+require (
+	github.com/bytedance/sonic v1.13.1 // indirect
+	github.com/bytedance/sonic/loader v0.2.4 // indirect
+	github.com/cloudwego/base64x v0.1.5 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.8 // indirect
+	github.com/gin-contrib/sse v1.0.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.25.0 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
+	github.com/jackc/pgx/v5 v5.7.2 // indirect
+	github.com/jackc/puddle/v2 v2.2.2 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.10 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
+	github.com/replicate/replicate-go v0.26.0 // indirect
+	github.com/rogpeppe/go-internal v1.11.0 // indirect
+	github.com/sashabaranov/go-openai v1.40.1 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.12 // indirect
+	github.com/vincent-petithory/dataurl v1.0.0 // indirect
+	golang.org/x/arch v0.15.0 // indirect
+	golang.org/x/net v0.37.0 // indirect
+	golang.org/x/sync v0.12.0 // indirect
+	golang.org/x/sys v0.31.0 // indirect
+	golang.org/x/text v0.23.0 // indirect
+	google.golang.org/protobuf v1.36.5 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -0,0 +1,126 @@
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+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gorm.io/driver/postgres v1.5.11 h1:ubBVAfbKEUld/twyKZ0IYn9rSQh448EdelLYk9Mv314=
+gorm.io/driver/postgres v1.5.11/go.mod h1:DX3GReXH+3FPWGrrgffdvCk3DQ1dwDPdmbenSkweRGI=
+gorm.io/gorm v1.25.12 h1:I0u8i2hWQItBq1WfE0o2+WuL9+8L21K9e2HHSTE/0f8=
+gorm.io/gorm v1.25.12/go.mod h1:xh7N7RHfYlNc5EmcI/El95gXusucDrQnHXe0+CgWcLQ=
+nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50=

logs/error_log.txt

@@ -0,0 +1,19 @@
+2025/06/16 23:53:52 Error Log : open audio: is a directory
+2025/06/16 23:54:20 Error Log : open audio: is a directory
+open audio: is a directory
+open audio: is a directory
+2025/06/16 23:54:37 Error Log : open audio: is a directory
+open audio: is a directory
+open audio: is a directory
+open audio: is a directory
+open audio: is a directory
+open audio: is a directory
+2025/06/16 23:56:46 Error Log : open audio: is a directory
+2025/06/16 23:57:43 Error Log : open audio: is a directory
+2025/06/17 00:00:14 Error Log : open audio: is a directory
+2025/06/17 00:01:06 Error Log : error, status code: 429, status: 429 Too Many Requests, message: You exceeded your current quota, please check your plan and billing details. For more information on this error, read the docs: https://platform.openai.com/docs/guides/error-codes/api-errors.
+2025/06/17 00:16:55 Error Log : remove audio\20250616_235223.mp3: The process cannot access the file because it is being used by another process.
+2025/06/17 00:29:21 Error Log : error, status code: 400, status: 400 Bad Request, message: [{'type': 'string_too_short', 'loc': ('body', 'input'), 'msg': 'String should have at least 1 character', 'input': '', 'ctx': {'min_length': 1}}]
+2025/06/17 00:30:56 Error Log : error, status code: 400, status: 400 Bad Request, message: [{'type': 'string_too_short', 'loc': ('body', 'input'), 'msg': 'String should have at least 1 character', 'input': '', 'ctx': {'min_length': 1}}]
+2025/06/17 00:32:14 Error Log : error, status code: 400, status: 400 Bad Request, message: [{'type': 'string_too_short', 'loc': ('body', 'input'), 'msg': 'String should have at least 1 character', 'input': '', 'ctx': {'min_length': 1}}]
+2025/06/17 00:33:03 Error Log : error, status code: 400, status: 400 Bad Request, message: [{'type': 'string_too_short', 'loc': ('body', 'input'), 'msg': 'String should have at least 1 character', 'input': '', 'ctx': {'min_length': 1}}]

main.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+	"fmt"
+
+	config "github.com/abdanhafidz/ai-visual-multi-modal-backend/config"
+	router "github.com/abdanhafidz/ai-visual-multi-modal-backend/router"
+)
+
+func main() {
+	fmt.Println("Server started on ", config.TCP_ADDRESS, ", port :", config.HOST_PORT)
+	router.StartService()
+
+}

middleware/authentication_middleware.go

@@ -0,0 +1,70 @@
+// auth/auth.go
+
+package middleware
+
+import (
+	"time"
+
+	config "github.com/abdanhafidz/ai-visual-multi-modal-backend/config"
+	models "github.com/abdanhafidz/ai-visual-multi-modal-backend/models"
+	utils "github.com/abdanhafidz/ai-visual-multi-modal-backend/utils"
+	"github.com/gin-gonic/gin"
+	"github.com/golang-jwt/jwt/v5"
+)
+
+var salt = config.Salt
+var secretKey = []byte(salt)
+
+// VerifyPassword verifies if the provided password matches the hashed password
+
+type CustomClaims struct {
+	jwt.RegisteredClaims
+	UserID int `json:"id"`
+}
+
+func VerifyToken(bearer_token string) (int, string, error) {
+	// fmt.Println(bearer_token)
+	token, err := jwt.ParseWithClaims(bearer_token, &CustomClaims{}, func(token *jwt.Token) (interface{}, error) {
+		return secretKey, nil
+	})
+	if err != nil {
+		return 0, "invalid-token", err
+	}
+
+	// Extract the claims
+	claims, ok := token.Claims.(*CustomClaims)
+	if !ok || !token.Valid {
+		return 0, "invalid-token", err
+	}
+	if claims.ExpiresAt != nil && claims.ExpiresAt.Time.Before(time.Now()) {
+		return 0, "expired", err
+	}
+
+	return claims.UserID, "valid", err
+}
+
+func AuthUser(c *gin.Context) {
+	var currAccData models.AccountData
+	if c.Request.Header["Auth-Bearer-Token"] != nil {
+		token := c.Request.Header["Auth-Bearer-Token"]
+		currAccData.UserID, currAccData.VerifyStatus, currAccData.ErrVerif = VerifyToken(token[0])
+		// fmt.Println("Verify Status :", currAccData.verifyStatus)
+		if currAccData.VerifyStatus == "invalid-token" || currAccData.VerifyStatus == "expired" {
+			currAccData.UserID = 0
+			utils.ResponseFAIL(c, 401, models.Exception{Unauthorized: true, Message: "Your session is expired, Please re-Login!"})
+			c.Abort()
+			return
+		} else {
+			c.Set("accountData", currAccData)
+			c.Next()
+		}
+	} else {
+		currAccData.UserID = 0
+		currAccData.VerifyStatus = "no-token"
+		currAccData.ErrVerif = nil
+		utils.ResponseFAIL(c, 401, models.Exception{Unauthorized: true, Message: "You have to login first!"})
+		c.Abort()
+		return
+	}
+
+}

middleware/middleware.go

@@ -0,0 +1,30 @@
+package middleware
+
+import (
+	"math"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+func RecordCheck(rows *gorm.DB) (string, error) {
+	count := rows.RowsAffected
+	err := rows.Error
+	
+	if count == 0 {
+		return "no-record", err
+	} else if err != nil {
+		return "query-error", err
+	} else {
+		return "ok", err
+	}
+}
+
+func DiffTime(t1 time.Time, t2 time.Time) (int, int, int) {
+	hs := t1.Sub(t2).Hours()
+	hs, mf := math.Modf(hs)
+	ms := mf * 60
+	ms, sf := math.Modf(ms)
+	ss := sf * 60
+	return int(hs), int(ms), int(ss)
+}

middleware/response_middleware.go

@@ -0,0 +1,45 @@
+package middleware
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+// SendJSON200 sends a JSON response with HTTP status code 200
+func SendJSON200(c *gin.Context, data interface{}) {
+	c.JSON(http.StatusOK, gin.H{"status": "success", "data": data})
+	return
+}
+
+// SendJSON400 sends a JSON response with HTTP status code 400
+func SendJSON400(c *gin.Context, error_status *string, message *string) {
+	c.JSON(http.StatusBadRequest, gin.H{"status": "error", "error-status": error_status, "message": message})
+	return
+}
+
+// SendJSON401 sends a JSON response with HTTP status code 401
+func SendJSON401(c *gin.Context, error_status *string, message *string) {
+	c.JSON(http.StatusUnauthorized, gin.H{"status": "error", "error-status": error_status, "message": message})
+	return
+}
+
+// SendJSON403 sends a JSON response with HTTP status code 403
+func SendJSON403(c *gin.Context, message *string) {
+	c.JSON(http.StatusForbidden, gin.H{"status": "error", "message": message})
+	return
+}
+
+// SendJSON404 sends a JSON response with HTTP status code 404
+func SendJSON404(c *gin.Context, message *string) {
+	c.JSON(http.StatusNotFound, gin.H{"status": "error", "message": message})
+	return
+}
+
+// SendJSON500 sends a JSON response with HTTP status code 500
+func SendJSON500(c *gin.Context, error_status *string, message *string) {
+	c.JSON(http.StatusInternalServerError, gin.H{"status": "error", "error-status": error_status, "message": message})
+	return
+}
+
+// JSONResponseMiddleware is a middleware that provides functions for sending JSON responses

models/authentication_dto.go

@@ -0,0 +1,5 @@
+package models
+
+type LoginRequest struct {
+	FingerPrintToken string `json:"email" binding:"required"`
+}

models/authentication_payload_model.go

@@ -0,0 +1,7 @@
+package models
+
+type AccountData struct {
+	UserID       int
+	VerifyStatus string
+	ErrVerif     error
+}

models/entities_model.go

@@ -0,0 +1,27 @@
+package models
+
+import (
+	"time"
+
+	uuid "github.com/satori/go.uuid"
+)
+
+type Account struct {
+	ID          uuid.UUID `gorm:"type:uuid;default:uuid_generate_v4();primaryKey"`
+	Fingerprint string    `gorm:"not null;"`
+	CreatedAt   time.Time
+	DeletedAt   *time.Time `gorm:"column:deleted_at"` // perhatikan penamaan kolom
+}
+
+type ChatHistory struct {
+	ID        uuid.UUID  `gorm:"type:uuid;default:uuid_generate_v4();primaryKey"`
+	ImagePath string     `gorm:"type:text"`
+	Question  string     `gorm:"type:text"`
+	Answer    string     `gorm:"type:text"`
+	CreatedAt time.Time  `gorm:"column:created_at"`
+	DeletedAt *time.Time `gorm:"column:deleted_at"`
+}
+
+// Gorm table name settings
+func (Account) TableName() string     { return "account" }
+func (ChatHistory) TableName() string { return "chat_history" }

models/exception_model.go

@@ -0,0 +1,16 @@
+package models
+
+type Exception struct {
+	Unauthorized               bool   `json:"unauthorized,omitempty"`
+	BadRequest                 bool   `json:"bad_request,omitempty"`
+	DataNotFound               bool   `json:"data_not_found,omitempty"`
+	InternalServerError        bool   `json:"internal_server_error,omitempty"`
+	DataDuplicate              bool   `json:"data_duplicate,omitempty"`
+	QueryError                 bool   `json:"query_error,omitempty"`
+	InvalidPasswordLength      bool   `json:"invalid_password_length,omitempty"`
+	FailedTranscripting        bool   `json:"failed_transcripting,omitempty"`
+	ReplicateConnectionRefused bool   `json:"replicated_connection_refused,omitempty"`
+	AudioFileError             bool   `json:"audio_file_error,omitempty"`
+	FailedGenerateAudio        bool   `json:"audio_generation_failed,omitempty"`
+	Message                    string `json:"message"`
+}

models/http_response_dto_model.go

@@ -0,0 +1,15 @@
+package models
+
+type SuccessResponse struct {
+	Status   string `json:"status"`
+	Message  string `json:"message"`
+	Data     any    `json:"data"`
+	MetaData any    `json:"meta_data"`
+}
+
+type ErrorResponse struct {
+	Status   string    `json:"status"`
+	Message  string    `json:"message"`
+	Errors   Exception `json:"errors"`
+	MetaData any       `json:"meta_data"`
+}

models/model.go

@@ -0,0 +1,3 @@
+package models
+
+

models/prediction_dto_model.go

@@ -0,0 +1,10 @@
+package models
+
+import "mime/multipart"
+
+type PredictionRequest struct {
+	ImageFile             multipart.File
+	ImageFileName         string
+	AudioQuestionFile     multipart.File
+	AudioQuestionFilename string
+}

repositories/account_repository.go

@@ -0,0 +1,30 @@
+package repositories
+
+import (
+	"context"
+
+	"github.com/abdanhafidz/ai-visual-multi-modal-backend/models"
+)
+
+type AccountRepository interface {
+	Repository
+	CreateAccount(ctx context.Context, fingerPrint string) (res models.Account)
+	GetAccountByFingerPrint(ctx context.Context, fingePrint string) (res models.Account)
+}
+
+type accountRepository struct {
+	*repository[models.Account]
+}
+
+func (r *accountRepository) CreateAccount(ctx context.Context, fingerPrint string) (res models.Account) {
+	r.entity.Fingerprint = fingerPrint
+	r.Create(ctx)
+	return r.entity
+}
+
+func (r *accountRepository) GetAccountByFingerPrint(ctx context.Context, fingerPrint string) (res models.Account) {
+	r.entity.Fingerprint = fingerPrint
+	r.Where(ctx)
+	r.Find(ctx, res)
+	return res
+}

repositories/chat_history_repository.go

@@ -0,0 +1,24 @@
+package repositories
+
+import (
+	"context"
+
+	"github.com/abdanhafidz/ai-visual-multi-modal-backend/models"
+)
+
+type ChatHistoryRepository interface {
+	Repository
+	SaveChatHistory(ctx context.Context, imagePath string, question string, answer string) (res models.ChatHistory)
+}
+
+type chatHistoryRepository struct {
+	*repository[models.ChatHistory]
+}
+
+func (r *chatHistoryRepository) SaveChatHistory(ctx context.Context, imagePath string, question string, answer string) (res models.ChatHistory) {
+	r.entity.ImagePath = imagePath
+	r.entity.Question = question
+	r.entity.Answer = answer
+	r.Create(ctx)
+	return r.entity
+}

repositories/repository.go

@@ -0,0 +1,154 @@
+package repositories
+
+import (
+	"context"
+	"sync"
+
+	"gorm.io/gorm"
+)
+
+type Repository interface {
+	Transactions(ctx context.Context, act func(ctx context.Context, tx *gorm.DB))
+	FindAllPaginate(ctx context.Context, res any)
+	Where(ctx context.Context)
+	Find(ctx context.Context, res any)
+	Create(ctx context.Context)
+	Update(ctx context.Context)
+	Query(ctx context.Context, res any)
+	Delete(ctx context.Context)
+	IsNoRecord() bool
+	RowsCount() int
+	RowsError() error
+}
+type PaginationConstructor struct {
+	limit  int
+	offset int
+	filter string
+}
+
+type CustomQueryConstructor struct {
+	sql    string
+	values interface{}
+}
+
+type repository[TEntity any] struct {
+	sync.Mutex
+	entity      TEntity
+	pagination  PaginationConstructor
+	customQuery CustomQueryConstructor
+	transaction *gorm.DB
+	rowsCount   int
+	noRecord    bool
+	rowsError   error
+}
+
+func (repo *repository[T1]) RowsError() error {
+	return repo.rowsError
+}
+func (repo *repository[T1]) RowsCount() int {
+	return repo.rowsCount
+}
+func (repo *repository[T1]) IsNoRecord() bool {
+	repo.Lock()
+	repo.noRecord = repo.transaction.RowsAffected == 0
+	repo.Unlock()
+	return repo.noRecord
+}
+func (repo *repository[T1]) Transactions(ctx context.Context, act func(ctx context.Context, tx *gorm.DB)) {
+	repo.Lock()
+	act(ctx, repo.transaction)
+	repo.Unlock()
+}
+func (repo *repository[T1]) Where(ctx context.Context) {
+
+	tx := repo.transaction.Begin()
+	tx.WithContext(ctx).Where(&repo.entity)
+	repo.Lock()
+	repo.rowsCount = int(tx.RowsAffected)
+	repo.noRecord = repo.rowsCount == 0
+	repo.rowsError = tx.Error
+	repo.Unlock()
+}
+func (repo *repository[T1]) Find(ctx context.Context, res any) {
+	repo.Lock()
+	tx := repo.transaction.Begin()
+	tx.WithContext(ctx).Find(&res)
+	if tx.Error != nil {
+		tx.Rollback()
+	}
+	repo.Lock()
+	repo.rowsCount = int(tx.RowsAffected)
+	repo.noRecord = repo.rowsCount == 0
+	repo.rowsError = tx.Error
+	repo.Unlock()
+}
+
+func (repo *repository[T1]) FindAllPaginate(ctx context.Context, res any) {
+
+	tx := repo.transaction.Begin()
+	tx.WithContext(ctx).Limit(repo.pagination.limit).Offset(repo.pagination.offset).Find(&res)
+	if tx.Error != nil {
+		tx.Rollback()
+	}
+	repo.Lock()
+	repo.rowsCount = int(tx.RowsAffected)
+	repo.noRecord = repo.rowsCount == 0
+	repo.rowsError = tx.Error
+	repo.Unlock()
+}
+
+func (repo *repository[T1]) Create(ctx context.Context) {
+
+	tx := repo.transaction.Begin()
+	tx.Create(&repo.entity).Find(&repo.entity)
+	if tx.Error != nil {
+		tx.Rollback()
+	}
+	repo.Lock()
+	repo.rowsCount = int(tx.RowsAffected)
+	repo.noRecord = repo.rowsCount == 0
+	repo.rowsError = tx.Error
+	repo.Unlock()
+}
+
+func (repo *repository[T1]) Update(ctx context.Context) {
+
+	tx := repo.transaction.Begin()
+	tx.WithContext(ctx).Save(&repo.entity).Find(&repo.entity)
+	if tx.Error != nil {
+		tx.Rollback()
+	}
+	repo.Lock()
+	repo.rowsCount = int(tx.RowsAffected)
+	repo.noRecord = repo.rowsCount == 0
+	repo.rowsError = tx.Error
+	repo.Unlock()
+}
+
+func (repo *repository[T1]) Delete(ctx context.Context) {
+
+	tx := repo.transaction.Begin()
+	tx.WithContext(ctx).Delete(&repo.entity)
+	if tx.Error != nil {
+		tx.Rollback()
+	}
+	repo.Lock()
+	repo.rowsCount = int(tx.RowsAffected)
+	repo.noRecord = repo.rowsCount == 0
+	repo.rowsError = tx.Error
+	repo.Unlock()
+}
+
+func (repo *repository[T1]) Query(ctx context.Context, res any) {
+
+	tx := repo.transaction.Begin()
+	tx.WithContext(ctx).Model(&repo.entity).Raw(repo.customQuery.sql, repo.customQuery.values).Scan(&res)
+	if tx.Error != nil {
+		tx.Rollback()
+	}
+	repo.Lock()
+	repo.rowsCount = int(tx.RowsAffected)
+	repo.noRecord = repo.rowsCount == 0
+	repo.rowsError = tx.Error
+	repo.Unlock()
+}

router/prediction_route.go

@@ -0,0 +1,14 @@
+package router
+
+import (
+	factory "github.com/abdanhafidz/ai-visual-multi-modal-backend/factory"
+	"github.com/gin-gonic/gin"
+)
+
+func PredictionRoute(router *gin.Engine) {
+	predictionModule := factory.NewPredictionModule()
+	routerGroup := router.Group("/api/v1")
+	{
+		routerGroup.POST("/predict", predictionModule.Predict)
+	}
+}

router/router.go

@@ -0,0 +1,14 @@
+package router
+
+import (
+	config "github.com/abdanhafidz/ai-visual-multi-modal-backend/config"
+	controller "github.com/abdanhafidz/ai-visual-multi-modal-backend/controller"
+	"github.com/gin-gonic/gin"
+)
+
+func StartService() {
+	router := gin.Default()
+	router.GET("/", controller.HomeController)
+	PredictionRoute(router)
+	router.Run(config.TCP_ADDRESS)
+}

services/authentictaion_service.go

@@ -0,0 +1,11 @@
+package services
+
+import "context"
+
+type AuthenticationService interface {
+	Register(ctx context.Context, fingerPrint string)
+	Login(ctx context.Context, fingerPrint string)
+}
+
+type authenticationService interface {
+}

services/openai_service.go

@@ -0,0 +1,106 @@
+package services
+
+import (
+	"context"
+	"io"
+	"mime/multipart"
+	"os"
+	"path/filepath"
+
+	"github.com/sashabaranov/go-openai"
+
+	repositories "github.com/abdanhafidz/ai-visual-multi-modal-backend/repositories"
+)
+
+type (
+	openAIService struct {
+		*service[repositories.Repository]
+		client *openai.Client
+	}
+
+	OpenAIService interface {
+		Service
+		SpeechToText(ctx context.Context, audioFile multipart.File, filename string) string
+		TextToSpeech(ctx context.Context, text string) []byte
+	}
+)
+
+func NewOpenAIService(repo repositories.Repository, openAIClient *openai.Client) OpenAIService {
+	return &openAIService{
+		service: &service[repositories.Repository]{
+			repository: repo,
+		},
+		client: openAIClient,
+	}
+}
+
+func (s *openAIService) SpeechToText(ctx context.Context, audioFile multipart.File, filename string) string {
+
+	audioDir := "audio"
+
+	if err := os.MkdirAll(audioDir, os.ModePerm); err != nil {
+		s.ThrowsException(&s.exception.InternalServerError, "Failed to create directory!")
+		s.ThrowsError(err)
+		return "failed to create directory!"
+	}
+
+	savedPath := filepath.Join(audioDir, filepath.Base(filename))
+	outFile, err := os.Create(savedPath)
+
+	if err != nil {
+		s.ThrowsException(&s.exception.AudioFileError, "Failed to save audio!")
+		s.ThrowsError(err)
+		return "Failed to save audio!"
+	}
+
+	defer outFile.Close()
+
+	if _, err := io.Copy(outFile, audioFile); err != nil {
+		s.ThrowsException(&s.exception.AudioFileError, "Failed to save audio!")
+		s.ThrowsError(err)
+		return "Failed to save audio!"
+	}
+
+	req := openai.AudioRequest{
+		Model:    openai.Whisper1,
+		FilePath: savedPath,
+	}
+
+	resp, err := s.client.CreateTranscription(ctx, req)
+	if err != nil {
+		s.ThrowsException(&s.exception.FailedTranscripting, "Failed to create transcription!")
+		s.ThrowsError(err)
+		return "Failed to create transcription!"
+	}
+
+	// // Privacy Consideration bro!
+	// if err := os.Remove(savedPath); err != nil {
+	// 	s.ThrowsError(err)
+	// }
+
+	return resp.Text
+}
+
+func (s *openAIService) TextToSpeech(ctx context.Context, text string) []byte {
+	req := openai.CreateSpeechRequest{
+		Model:          openai.TTSModel1,
+		Input:          text,
+		Voice:          openai.VoiceNova,
+		ResponseFormat: openai.SpeechResponseFormatMp3,
+	}
+
+	audioResp, err := s.client.CreateSpeech(ctx, req)
+	if err != nil {
+		s.ThrowsException(&s.exception.FailedGenerateAudio, "Failed to generate speech audio!")
+		s.ThrowsError(err)
+		return nil
+	}
+
+	audioData, err := io.ReadAll(audioResp)
+	if err != nil {
+		s.ThrowsException(&s.exception.AudioFileError, "Failed to read audio response!")
+		s.ThrowsError(err)
+		return nil
+	}
+	return audioData
+}

services/prediction_service.go

@@ -0,0 +1,59 @@
+package services
+
+import (
+	"context"
+
+	models "github.com/abdanhafidz/ai-visual-multi-modal-backend/models"
+	repositories "github.com/abdanhafidz/ai-visual-multi-modal-backend/repositories"
+)
+
+type (
+	PredictionService interface {
+		Service
+		Predict(ctx context.Context, req models.PredictionRequest) (audio []byte, text string)
+	}
+
+	predictionService struct {
+		*service[repositories.ChatHistoryRepository]
+		replicateService ReplicateService
+		openAIService    OpenAIService
+	}
+)
+
+func NewPredictionService(replicateService ReplicateService, openAIService OpenAIService) PredictionService {
+	return &predictionService{
+		service:          &service[repositories.ChatHistoryRepository]{},
+		replicateService: replicateService,
+		openAIService:    openAIService,
+	}
+}
+
+func (s *predictionService) Predict(ctx context.Context, req models.PredictionRequest) (audio []byte, text string) {
+	sttOutput := s.openAIService.SpeechToText(ctx, req.AudioQuestionFile, req.AudioQuestionFilename)
+	if s.openAIService.Error() != nil {
+		s.ThrowsException(&s.exception.BadRequest, "Failed to generate speech to text!")
+		s.ThrowsError(s.openAIService.Error())
+		return nil, ""
+	}
+
+	replicateOutput := s.replicateService.AskImage(ctx, req.ImageFile, req.ImageFileName, sttOutput)
+	if s.replicateService.Error() != nil {
+		s.ThrowsException(&s.exception.ReplicateConnectionRefused, "Replicate Connection Refused!")
+		s.ThrowsError(s.replicateService.Error())
+		return nil, ""
+	}
+
+	ttsOutput := s.openAIService.TextToSpeech(ctx, replicateOutput)
+	if s.openAIService.Error() != nil {
+		s.ThrowsException(&s.exception.FailedGenerateAudio, "Failed to convert audio output!")
+		s.ThrowsError(s.openAIService.Error())
+		return nil, ""
+	}
+
+	savePrediction := s.repository.SaveChatHistory(ctx, req.ImageFileName, sttOutput, replicateOutput)
+	if s.ThrowsRepoException() {
+		return nil, ""
+	}
+
+	return ttsOutput, savePrediction.Answer
+}

services/replicate_service.go

@@ -0,0 +1,68 @@
+package services
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"io"
+	"mime/multipart"
+
+	"github.com/abdanhafidz/ai-visual-multi-modal-backend/repositories"
+	"github.com/replicate/replicate-go"
+)
+
+type ReplicateService interface {
+	Service
+	AskImage(ctx context.Context, imageFile multipart.File, filename, question string) string
+}
+
+type replicateService struct {
+	*service[repositories.Repository]
+	client *replicate.Client
+	model  string
+}
+
+func NewReplicateService(repo repositories.Repository, replicateClient *replicate.Client, model string) ReplicateService {
+	service := replicateService{
+		service: &service[repositories.Repository]{repository: repo},
+		client:  replicateClient,
+		model:   model, // e.g., "owner/moondream:versionHash"
+	}
+	return &service
+}
+
+func (s *replicateService) AskImage(ctx context.Context, imageFile multipart.File, filename, question string) string {
+	var buf bytes.Buffer
+	if _, err := io.Copy(&buf, imageFile); err != nil {
+
+		s.ThrowsError(err)
+		return ""
+	}
+
+	file, err := s.client.CreateFileFromBuffer(ctx, &buf, &replicate.CreateFileOptions{Filename: filename})
+	if err != nil {
+		s.ThrowsError(err)
+		return ""
+	}
+
+	input := replicate.PredictionInput{
+		"image":    file,
+		"question": question,
+	}
+	rawOutput, err := s.client.Run(ctx, s.model, input, nil)
+	if err != nil {
+		s.ThrowsError(err)
+		return ""
+	}
+
+	outputSlice, _ := rawOutput.([]interface{})
+	result := fmt.Sprintf("%v", outputSlice)
+	fmt.Println("Output slice", result)
+
+	// if !ok {
+	// 	s.ThrowsError(errors.New("failed to parse output as string"))
+	// 	return ""
+	// }
+
+	return result
+}

services/service.go

@@ -0,0 +1,63 @@
+package services
+
+import (
+	"errors"
+	"sync"
+	"time"
+
+	models "github.com/abdanhafidz/ai-visual-multi-modal-backend/models"
+	repositories "github.com/abdanhafidz/ai-visual-multi-modal-backend/repositories"
+)
+
+type (
+	service[TRepo repositories.Repository] struct {
+		sync.Mutex
+		repository TRepo
+		exception  models.Exception
+		errors     error
+	}
+	Service interface {
+		ThrowsException(*bool, string)
+		ThrowsError(error)
+		Exception() models.Exception
+		ThrowsRepoException() bool
+		Error() error
+	}
+)
+
+func (s *service[TRepo]) ThrowsException(status *bool, message string) {
+	s.Lock()
+	*status = true
+	s.exception.Message = message
+	s.Unlock()
+}
+
+func (s *service[TRepo]) ThrowsError(err error) {
+	s.Lock()
+	s.errors = errors.Join(s.errors, err)
+	s.Unlock()
+}
+
+func (s *service[TRepo]) Exception() models.Exception {
+	return s.exception
+}
+func (s *service[TRepo]) Error() error {
+	return s.errors
+}
+func CalculateDueTime(duration time.Duration) time.Time {
+	return time.Now().Add(duration)
+}
+
+func (s *service[TRepo]) ThrowsRepoException() bool {
+	s.Lock()
+	if s.repository.RowsError() != nil {
+		s.ThrowsError(s.repository.RowsError())
+		return true
+	}
+	if s.repository.IsNoRecord() {
+		s.ThrowsException(&s.exception.DataNotFound, "No record found")
+		return true
+	}
+	s.Unlock()
+	return false
+}

space/.gitattributes

@@ -0,0 +1,35 @@
+*.7z filter=lfs diff=lfs merge=lfs -text
+*.arrow filter=lfs diff=lfs merge=lfs -text
+*.bin filter=lfs diff=lfs merge=lfs -text
+*.bz2 filter=lfs diff=lfs merge=lfs -text
+*.ckpt filter=lfs diff=lfs merge=lfs -text
+*.ftz filter=lfs diff=lfs merge=lfs -text
+*.gz filter=lfs diff=lfs merge=lfs -text
+*.h5 filter=lfs diff=lfs merge=lfs -text
+*.joblib filter=lfs diff=lfs merge=lfs -text
+*.lfs.* filter=lfs diff=lfs merge=lfs -text
+*.mlmodel filter=lfs diff=lfs merge=lfs -text
+*.model filter=lfs diff=lfs merge=lfs -text
+*.msgpack filter=lfs diff=lfs merge=lfs -text
+*.npy filter=lfs diff=lfs merge=lfs -text
+*.npz filter=lfs diff=lfs merge=lfs -text
+*.onnx filter=lfs diff=lfs merge=lfs -text
+*.ot filter=lfs diff=lfs merge=lfs -text
+*.parquet filter=lfs diff=lfs merge=lfs -text
+*.pb filter=lfs diff=lfs merge=lfs -text
+*.pickle filter=lfs diff=lfs merge=lfs -text
+*.pkl filter=lfs diff=lfs merge=lfs -text
+*.pt filter=lfs diff=lfs merge=lfs -text
+*.pth filter=lfs diff=lfs merge=lfs -text
+*.rar filter=lfs diff=lfs merge=lfs -text
+*.safetensors filter=lfs diff=lfs merge=lfs -text
+saved_model/**/* filter=lfs diff=lfs merge=lfs -text
+*.tar.* filter=lfs diff=lfs merge=lfs -text
+*.tar filter=lfs diff=lfs merge=lfs -text
+*.tflite filter=lfs diff=lfs merge=lfs -text
+*.tgz filter=lfs diff=lfs merge=lfs -text
+*.wasm filter=lfs diff=lfs merge=lfs -text
+*.xz filter=lfs diff=lfs merge=lfs -text
+*.zip filter=lfs diff=lfs merge=lfs -text
+*.zst filter=lfs diff=lfs merge=lfs -text
+*tfevents* filter=lfs diff=lfs merge=lfs -text

utils/api_response.go

@@ -0,0 +1,52 @@
+package utils
+
+import (
+	"net/http"
+	"reflect"
+
+	models "github.com/abdanhafidz/ai-visual-multi-modal-backend/models"
+	services "github.com/abdanhafidz/ai-visual-multi-modal-backend/services"
+	"github.com/gin-gonic/gin"
+)
+
+func ResponseOK(c *gin.Context, data any) {
+	res := models.SuccessResponse{
+		Status:   "success",
+		Message:  "Data retrieved successfully!",
+		Data:     data,
+		MetaData: c.Request.Body,
+	}
+	c.JSON(http.StatusOK, res)
+	return
+}
+
+func ResponseFAIL(c *gin.Context, status int, exception models.Exception) {
+	message := exception.Message
+	exception.Message = ""
+	res := models.ErrorResponse{
+		Status:   "error",
+		Message:  message,
+		Errors:   exception,
+		MetaData: c.Request.Body,
+	}
+	c.AbortWithStatusJSON(status, res)
+	return
+}
+
+func SendResponse(c *gin.Context, data services.Service) {
+	if reflect.ValueOf(data.Exception()).IsNil() {
+		ResponseOK(c, data)
+	} else {
+		if data.Exception().Unauthorized {
+			ResponseFAIL(c, 401, data.Exception())
+		} else if data.Exception().BadRequest {
+			ResponseFAIL(c, 400, data.Exception())
+		} else if data.Exception().DataNotFound {
+			ResponseFAIL(c, 404, data.Exception())
+		} else if data.Exception().InternalServerError {
+			ResponseFAIL(c, 500, data.Exception())
+		} else {
+			ResponseFAIL(c, 403, data.Exception())
+		}
+	}
+}

utils/helper.go

@@ -0,0 +1,11 @@
+package utils
+
+import (
+	models "github.com/abdanhafidz/ai-visual-multi-modal-backend/models"
+	"github.com/gin-gonic/gin"
+)
+
+func GetAccount(c *gin.Context) models.AccountData {
+	cParam, _ := c.Get("accountData")
+	return cParam.(models.AccountData)
+}

utils/logger.go

@@ -0,0 +1,21 @@
+package utils
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	config "github.com/abdanhafidz/ai-visual-multi-modal-backend/config"
+)
+
+func LogError(errorLogged error) {
+	fmt.Println("There is an error!")
+	file, err := os.OpenFile(config.LOG_PATH+"/error_log.txt", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	log.SetOutput(file)
+
+	log.Println("Error Log :", errorLogged)
+}

utils/util.go

@@ -0,0 +1,9 @@
+package utils
+
+func ternaryMessage(condition bool, valueIfTrue string, valueIfFalse string) string {
+	if condition {
+		return valueIfTrue
+	} else {
+		return valueIfFalse
+	}
+}