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from typing import Dict
from src.utils.mongo import PostCRUD
from src.utils.logger import logger
from src.utils.mongo import UserCRUD, ReactionCRUD, DestinationCRUD
from asyncio import gather
from src.utils.helper import call_external_api, serialize_datetime
from datetime import datetime
from bson import ObjectId
import math
from src.utils.helper import deserialize_objectid
from typing import List
import random
async def create_a_post_controller(
content: str, user_id: str, destination_id: str, images: list
) -> Dict:
try:
image_url = await call_external_api(
method="POST",
# url="http://localhost:8000/upload_image",
url="https://abao77-image-retrieval-full.hf.space/upload_image",
json={"base64_image": images},
)
print(f"IMAGE URL: {image_url}")
post = {
"content": content,
"user_id": user_id,
"destination_id": destination_id,
"comment_count": 0,
"reaction_count": 0,
"picture": image_url["public_url"] if image_url.get("public_url") else None,
"like": [],
}
await PostCRUD.create(post)
return {"status": "success", "message": "Post created successfully"}
except Exception as e:
logger.error(f"Error creating post: {str(e)}")
return {"status": "error", "message": str(e)}
async def get_a_post_controller(post_id: str) -> Dict:
try:
post = await PostCRUD.find_by_id(post_id)
if post is None:
return {"status": "error", "message": "Post not found"}
serialized_post = {
"id": serialize_datetime(post.get("_id")),
"content": post.get("content"),
"user_id": post.get("user_id"),
"destination_id": post.get("destination_id"),
"comment_count": post.get("comment_count", 0),
"reaction_count": post.get("reaction_count", 0),
"created_at": serialize_datetime(post.get("created_at")),
"updated_at": serialize_datetime(post.get("updated_at")),
}
return {"status": "success", "message": serialized_post}
except Exception as e:
logger.error(f"Error getting post: {str(e)}")
return {"status": "error", "message": str(e)}
import time
async def list_all_posts_controller_priority(
user_id: str,
page: int = 1,
top_5_destinations: List[str] = [],
view_post_ids: List[str] = [],
):
print("view_post_ids", view_post_ids)
destinations_list = []
try:
if page > 1:
response_recommendation_destinations = await call_external_api(
method="GET",
url=f"https://abao77-triventure-personalize.hf.space/model/get_recommendation_destinations/{user_id}/5",
)
top_5_destinations = response_recommendation_destinations.get(
"destination_ids", []
)
# top_5_destinations = []
destinations_list = response_recommendation_destinations.get(
"destinations_list", None
)
start_time = time.time()
PAGE_SIZE = 10
TOP_LIMIT = int(PAGE_SIZE * 0.7)
OTHER_LIMIT = PAGE_SIZE - TOP_LIMIT
skip_top = (page - 1) * TOP_LIMIT
skip_other = (page - 1) * OTHER_LIMIT
excluded_ids = [deserialize_objectid(pid) for pid in view_post_ids]
top_filter = {
"destination_id": {"$in": top_5_destinations},
"_id": {"$nin": excluded_ids},
}
other_filter = {
"destination_id": {"$nin": top_5_destinations},
"_id": {"$nin": excluded_ids},
}
total_top = await PostCRUD.count(top_filter)
total_other = await PostCRUD.count(other_filter)
total_items = total_top + total_other
total_pages = math.ceil(total_items / PAGE_SIZE)
top_posts = await PostCRUD.find_many_with_score(
filter=top_filter,
top_destinations=top_5_destinations,
limit=TOP_LIMIT,
skip=skip_top,
)
random.shuffle(top_posts)
other_posts = await PostCRUD.find_many_with_score(
filter=other_filter,
top_destinations=[],
limit=OTHER_LIMIT,
skip=skip_other,
)
combined_posts = []
i = j = 0
while len(combined_posts) < PAGE_SIZE and (
i < len(top_posts) or j < len(other_posts)
):
if i < len(top_posts):
combined_posts.append(top_posts[i])
i += 1
if j < len(other_posts) and len(combined_posts) < PAGE_SIZE:
combined_posts.append(other_posts[j])
j += 1
user_ids = list(
{deserialize_objectid(post.get("user_id")) for post in combined_posts}
)
destination_ids = list(
{
deserialize_objectid(post.get("destination_id"))
for post in combined_posts
}
)
post_ids = [serialize_datetime(post["_id"]) for post in combined_posts]
user_infos_result = await UserCRUD.read({"_id": {"$in": user_ids}})
destination_infos_result = await DestinationCRUD.read(
{"_id": {"$in": destination_ids}}
)
reactions_result = (
await ReactionCRUD.read({"user_id": user_id, "post_id": {"$in": post_ids}})
if user_id
else []
)
user_infos = user_infos_result
destination_infos = destination_infos_result
reactions = reactions_result
user_info_map = {
info["_id"]: {
"user_id": info["_id"],
"name": info["name"],
"picture": info.get("picture"),
}
for info in user_infos
if info
}
destination_info_map = {
info["_id"]: info["name"] for info in destination_infos if info
}
user_reaction_map = {}
for reaction in reactions:
if reaction:
post_id = reaction.get("post_id")
user_reaction_map[post_id] = {
"id": serialize_datetime(reaction["_id"]),
"post_id": post_id,
"user_id": reaction.get("user_id"),
"reaction_type": reaction.get("type"),
}
serialized_posts = []
for post in combined_posts:
pid = serialize_datetime(post["_id"])
uid = post.get("user_id")
dest_id = post.get("destination_id")
serialized_posts.append(
{
"id": pid,
"content": post.get("content"),
"destination_id": dest_id,
"destination_name": destination_info_map.get(dest_id),
"comment_count": post.get("comment_count", 0),
"reaction_count": post.get("reaction_count", 0),
"current_user_reaction": user_reaction_map.get(pid),
"picture": post.get("picture", []),
"created_at": serialize_datetime(post.get("created_at")),
"updated_at": serialize_datetime(post.get("updated_at")),
"priority_score": post.get("PriorityScore", 0),
"destination_score": post.get("DestinationScore", 0),
"engagement_score": post.get("EngagementScore", 0),
"freshness_score": post.get("FreshnessScore", 0),
"user_info": user_info_map.get(uid),
}
)
end_time = time.time()
print(f"Time taken: {end_time - start_time} seconds")
return {
"status": "success",
"message": {
"data": serialized_posts,
"page": page,
"top_5_destinations": top_5_destinations if top_5_destinations else [],
"destinations_list": destinations_list if destinations_list else [],
"total_pages": total_pages,
"total_items": total_items,
"page_size": PAGE_SIZE,
},
}
except Exception as e:
logger.error(f"Error listing personalized posts: {str(e)}")
return {"status": "error", "message": str(e)}
async def list_all_posts_controller(user_id: str, page: int = 1):
try:
start_time = time.time()
PAGE_SIZE = 5
# Calculate skip value for pagination
skip = (page - 1) * PAGE_SIZE
# Get total count for pagination metadata
total_items = await PostCRUD.count({})
total_pages = math.ceil(total_items / PAGE_SIZE)
# Get paginated posts
posts = await PostCRUD.find_many(
filter={}, # Empty filter means get all
skip=skip,
limit=PAGE_SIZE,
sort=[("created_at", -1)], # Sort by created_at descending
)
# Get unique user and destination IDs
user_ids = list({deserialize_objectid(post.get("user_id")) for post in posts})
destination_ids = list(
{deserialize_objectid(post.get("destination_id")) for post in posts}
)
# Use $in operator for batch lookups
user_infos = await UserCRUD.read({"_id": {"$in": user_ids}})
print("user_infos", user_infos)
destination_infos = await DestinationCRUD.read(
{"_id": {"$in": destination_ids}}
)
# Create user info map
user_info_map = {
info.get("_id"): {
"user_id": info.get("_id"),
"name": info.get("name"),
"picture": info.get("picture"),
}
for info in user_infos
if info
}
# Create destination info map
destination_info_map = {
info.get("_id"): info.get("name") for info in destination_infos if info
}
formatted_user_reactions_map = {}
if user_id:
all_post_ids = [serialize_datetime(post.get("_id")) for post in posts]
# Use $in operator for batch lookup of reactions
reactions = await ReactionCRUD.read(
{"user_id": user_id, "post_id": {"$in": all_post_ids}}
)
for reaction in reactions:
if reaction:
post_id = reaction.get("post_id")
formatted_user_reactions_map[post_id] = {
"id": serialize_datetime(reaction.get("_id")),
"post_id": post_id,
"user_id": reaction.get("user_id"),
"reaction_type": reaction.get("type"),
}
serialized_posts = []
for post in posts:
post_id = serialize_datetime(post.get("_id"))
uid = post.get("user_id")
dest_id = post.get("destination_id")
serialized_post = {
"id": post_id,
"content": post.get("content"),
"destination_id": dest_id,
"destination_name": destination_info_map.get(dest_id),
"comment_count": post.get("comment_count", []),
"reaction_count": post.get("reaction_count", []),
"current_user_reaction": formatted_user_reactions_map.get(post_id),
"picture": post.get("picture", []),
"created_at": serialize_datetime(post.get("created_at")),
"updated_at": serialize_datetime(post.get("updated_at")),
"user_info": user_info_map.get(uid),
}
serialized_posts.append(serialized_post)
return {
"status": "success",
"message": {
"data": serialized_posts,
"page": page,
"total_pages": total_pages,
"total_items": total_items,
"page_size": PAGE_SIZE,
},
}
except Exception as e:
logger.error(f"Error listing posts: {str(e)}")
return {"status": "error", "message": str(e)}
async def list_posts_by_destination_controller(
destination_id: str, user_id: str, page: int = 1
):
try:
start_time = time.time()
PAGE_SIZE = 5 # Changed from 1 to 5 posts per page
# Calculate skip value for pagination
skip = (page - 1) * PAGE_SIZE
# Get total count for pagination metadata
total_items = await PostCRUD.count({"destination_id": destination_id})
total_pages = math.ceil(total_items / PAGE_SIZE)
# Get paginated posts
posts = await PostCRUD.find_many(
filter={"destination_id": destination_id},
skip=skip,
limit=PAGE_SIZE,
sort=[("created_at", -1)], # Sort by created_at descending
)
if not posts:
return {
"status": "success",
"message": {
"data": [],
"page": page,
"total_pages": total_pages,
"total_items": total_items,
"page_size": PAGE_SIZE,
},
}
# Get unique user_ids
user_ids = list({deserialize_objectid(post.get("user_id")) for post in posts})
# Use $in operator for batch user lookup
user_infos = await UserCRUD.read({"_id": {"$in": user_ids}})
user_info_map = {
info.get("_id"): {
"user_id": info.get("_id"),
"name": info.get("name"),
"picture": info.get("picture"),
}
for info in user_infos
if info
}
# Get destination name
destination_info = await DestinationCRUD.find_by_id(destination_id)
destination_name = destination_info.get("name") if destination_info else None
# Reactions by current user for these posts
formatted_user_reactions_map = {}
if user_id:
all_post_ids = [serialize_datetime(post.get("_id")) for post in posts]
# Use $in operator for batch lookup of reactions
reactions = await ReactionCRUD.read(
{"user_id": user_id, "post_id": {"$in": all_post_ids}}
)
for reaction in reactions:
if reaction:
post_id = reaction.get("post_id")
formatted_user_reactions_map[post_id] = {
"id": serialize_datetime(reaction.get("_id")),
"post_id": post_id,
"user_id": reaction.get("user_id"),
"reaction_type": reaction.get("type"),
}
# Final serialization
serialized_posts = []
for post in posts:
post_id = serialize_datetime(post.get("_id"))
uid = post.get("user_id")
serialized_post = {
"id": post_id,
"content": post.get("content"),
"destination_id": destination_id,
"destination_info": destination_info,
"destination_name": destination_name,
"comment_count": post.get("comment_count", []),
"reaction_count": post.get("reaction_count", []),
"current_user_reaction": formatted_user_reactions_map.get(post_id),
"picture": post.get("picture", []),
"created_at": serialize_datetime(post.get("created_at")),
"updated_at": serialize_datetime(post.get("updated_at")),
"user_info": user_info_map.get(uid),
}
serialized_posts.append(serialized_post)
return {
"status": "success",
"message": {
"data": serialized_posts,
"page": page,
"total_pages": total_pages,
"total_items": total_items,
"page_size": PAGE_SIZE,
},
}
except Exception as e:
logger.error(f"Error listing posts by destination: {str(e)}")
return {"status": "error", "message": str(e)}
async def update_a_post_controller(user_id: str, post_id: str, content: str) -> Dict:
try:
exist_data = await PostCRUD.find_by_id(post_id)
if exist_data["user_id"] != user_id:
return {
"status": "error",
"message": "You are not allowed to update this post",
}
if exist_data is None:
return {"status": "error", "message": "Post not found"}
await PostCRUD.update(
{"_id": ObjectId(post_id)},
{
"content": content,
},
)
return {"status": "success", "message": "Post updated successfully"}
except Exception as e:
logger.error(f"Error updating post: {str(e)}")
return {"status": "error", "message": str(e)}
async def delete_a_post_controller(user_id: str, post_id: str) -> Dict:
try:
exist_data = await PostCRUD.find_by_id(post_id)
if exist_data["user_id"] != user_id:
return {
"status": "error",
"message": "You are not allowed to delete this post",
}
if exist_data is None:
return {"status": "error", "message": "Post not found"}
await PostCRUD.delete({"_id": ObjectId(post_id)})
return {"status": "success", "message": "Post deleted successfully"}
except Exception as e:
logger.error(f"Error deleting post: {str(e)}")
return {"status": "error", "message": str(e)}
|