Update app.R

app.R

@@ -1,3 +1,4 @@
+# Load required libraries
 library(shiny)
 library(plotly)
 library(gridlayout)
@@ -19,9 +20,26 @@ library(gridExtra)
 library(png)
 library(xgboost)
 library(httr)
+library(magick)
+
 pdf(file = NULL)
 Sys.setenv(TZ='EST')
 
+# Helper functions
+download_and_process_image <- function(url) {
+  tryCatch({
+    temp_file <- tempfile(fileext = ".jpg")
+    download.file(url, temp_file, mode = "wb")
+    img <- image_read(temp_file)
+    png_file <- tempfile(fileext = ".png")
+    image_write(img, path = png_file, format = "png")
+    return(png_file)
+  }, error = function(e) {
+    warning(paste("Error processing image:", e$message))
+    return(NULL)
+  })
+}
+
 is_barrel <- function(df) {
   df$barrel <- with(df, ifelse(hit_angle <= 50 & hit_speed >= 97 & hit_speed * 1.5 - 
                                  hit_angle >= 117 & hit_speed + hit_angle >= 123, 1, 0))
@@ -29,7 +47,7 @@ is_barrel <- function(df) {
 }
 
 VAA <- function(milbtotal){
-  milbtotal <- milbtotal |>
+  milbtotal <- milbtotal %>%
     mutate(VAA = -atan((vz0+(az*(-sqrt((vy0*vy0)-(2*ay*(y0-(17/12))))-vy0)/
                                ay))/(-sqrt((vy0*vy0)-(2*ay*(y0-(17/12))))))*(180/pi))
 } 
@@ -38,9 +56,9 @@ pitcher_summary <- function(game_pk,date){
   gdate <- as.Date.character(date)
   gdate <- as.Date(gdate)
   tmilb <- mlb_pbp(game_pk)
-  tmilb <- tmilb |>
+  tmilb <- tmilb %>%
     filter(type == "pitch")
-  tmilb <- tmilb |>
+  tmilb <- tmilb %>%
     select(matchup.batter.fullName,matchup.batter.id,matchup.pitcher.fullName,
            matchup.pitcher.id,result.event,details.description,details.type.description,
            result.description,pitchData.startSpeed,pitchData.plateTime,pitchData.zone,
@@ -59,10 +77,10 @@ pitcher_summary <- function(game_pk,date){
                        "IVB","HB","hit_speed","hit_angle","hit_distance","inPlay",
                        "lastPitch","spinDirection","phand")
   tmilb <- is_barrel(tmilb)
-  tmilb <- tmilb |>
+  tmilb <- tmilb %>%
     mutate(is_strike_swinging = ifelse(description == "Swinging Strike" |
                                          description == "Foul Tip",TRUE,FALSE))
-  tmilb <- tmilb |>
+  tmilb <- tmilb %>%
     mutate(date = gdate)
   return(tmilb)
 }
@@ -105,69 +123,46 @@ pitch_plot <- function(game){
           axis.ticks.y=element_blank())
 }
 
-# Assume FB.model, Off.model, and Break.model are already loaded in the environment
+# Load models
+FB <- xgb.load('FB.model')
+Off <- xgb.load('Off.model')
+Break <- xgb.load('Break.model')
 
-# Function to calculate VAA (Vertical Approach Angle)
 calculate_VAA <- function(vz0, ay, az, vy0, y0) {
   -atan((vz0+(az*(-sqrt((vy0*vy0)-(2*ay*(y0-(17/12))))-vy0)/
-                               ay))/(-sqrt((vy0*vy0)-(2*ay*(y0-(17/12))))))*(180/pi)
+                ay))/(-sqrt((vy0*vy0)-(2*ay*(y0-(17/12))))))*(180/pi)
 }
 
-# Function to calculate EAA (Effective Approach Angle)
 calculate_EAA <- function(extension) {
   extension / 6.3
 }
 
-# Function to calculate SADiff (Spin Axis Differential)
 calculate_SADiff <- function(pfxX, pfxZ, spinDirection) {
-  # Calculate initial inSA
   inSA <- atan2(pfxZ, pfxX) * 180/pi + 90
-  
-  # Adjust inSA if it's negative
   inSA <- ifelse(inSA < 0, inSA + 360, inSA)
-  
-  # Calculate SADiff
   SADiff <- spinDirection - inSA
-  
-  # Adjust SADiff to be within -180 to 180 range
   SADiff <- ifelse(SADiff > 180, SADiff - 360, SADiff)
   SADiff <- ifelse(SADiff < -180, SADiff + 360, SADiff)
-  
   return(SADiff)
 }
 
-# Function to scale TimStuff
 scale_TimStuff <- function(raw_score, model_mean, model_sd) {
   scaled_score <- (raw_score - model_mean) / model_sd
   result <- 50 - (scaled_score * 10)
-  
-  # Add logging
-  # cat("Raw score:", raw_score, "\n")
-  # cat("Model mean:", model_mean, "\n")
-  # cat("Model SD:", model_sd, "\n")
-  # cat("Scaled score:", scaled_score, "\n")
-  # cat("Final result:", result, "\n")
-  
-  # Ensure the result is within a reasonable range
-  # result <- max(min(result, 100), 0)
-  
   return(result)
 }
-FB <- xgb.load('FB.model')
-Off <- xgb.load('Off.model')
-Break <- xgb.load('Break.model')
-# Modify the summary_table function
+
 summary_table <- function(game) {
   rows <- nrow(game)
-  sumtable <- game |>
+  sumtable <- game %>%
     mutate(
       VAA = calculate_VAA(vz0, ay,az, vy0, y0),
       EAA = calculate_EAA(extension),
       SADiff = calculate_SADiff(pfxX, pfxZ,spinDirection)
-    ) |>
+    ) %>%
     mutate(team_fielding_id = ifelse(description == "Called Strike" |
                                        description == "Swinging Strike" |
-                                       description == "Swinging Strike (Blocked)", 1, 0)) |>
+                                       description == "Swinging Strike (Blocked)", 1, 0)) %>%
     mutate(swing = ifelse(description == "Foul" |
                             description == "Foul Pitchout" |
                             description == "In play, no out" |
@@ -175,10 +170,10 @@ summary_table <- function(game) {
                             description == "In play, run(s)" | 
                             description == "Swinging Strike" | 
                             description == "swinging Strike (Blocked)" |
-                            description == "Foul Tip", 1, 0)) |>
-    mutate(is_strike_swinging = ifelse(is_strike_swinging == TRUE, 1, 0)) |>
-    mutate(Pitch = pitch_name) |>
-    rowwise() |>
+                            description == "Foul Tip", 1, 0)) %>%
+    mutate(is_strike_swinging = ifelse(is_strike_swinging == TRUE, 1, 0)) %>%
+    mutate(Pitch = pitch_name) %>%
+    rowwise() %>%
     mutate(TimStuff = if (phand == 'L') {
       case_when(
         Pitch %in% c("Four-Seam Fastball", "Sinker", "Cutter", "Fastball") ~ 
@@ -217,8 +212,8 @@ summary_table <- function(game) {
                                 -0.004822031, 0.007912765)),
         TRUE ~ NA_real_
       )
-    }) |>
-    group_by(Pitch) |>
+    }) %>%
+    group_by(Pitch) %>%
     summarize(
       Pitches = n(),
       'Pitch%' = round(sum(Pitches)/sum(rows) * 100, digits = 1),
@@ -228,39 +223,34 @@ summary_table <- function(game) {
       'IVB' = round(mean(IVB, na.rm = TRUE), digits = 1),
       'HB' = round(mean(HB, na.rm = TRUE), digits = 1),
       'VAA' = round(mean(VAA, na.rm = TRUE), digits = 1),
-      # 'EAA' = round(mean(EAA, na.rm = TRUE), digits = 2),
-      # 'x0' = round(mean(x0, na.rm = TRUE), digits = 2),
-      # 'z0' = round(mean(z0, na.rm = TRUE), digits = 2),
-      # 'SADiff' = round(mean(SADiff, na.rm = TRUE), digits = 2),
       'CSW%' = round(sum(team_fielding_id, na.rm = TRUE) / sum(!is.na(team_fielding_id)) * 100, digits = 1),
       'Whiff%' = round(sum(is_strike_swinging, na.rm = TRUE) / sum(swing, na.rm = TRUE) * 100, digits = 1),
       'TimStuff' = round(mean(TimStuff, na.rm = TRUE), digits = 0)
-    ) |>
+    ) %>%
     arrange(-Pitches)
   
   return(sumtable)
 }
 
-# The rest of your code remains the same
-
+# Initialize schedule data
 mlbid <- mlb_schedule(season = 2024, level_ids = "1")
-mlbteamH <- mlbid |>
+mlbteamH <- mlbid %>%
   select(teams_home_team_name)
 mlbteamH <- distinct(mlbteamH)
-mlbteamA <- mlbid |>
+mlbteamA <- mlbid %>%
   select(teams_away_team_name)
 mlbteamA <- distinct(mlbteamA)
 
 aaaid <- mlb_schedule(season = 2024, level_ids = "11")
-aaateamH <- aaaid |>
+aaateamH <- aaaid %>%
   select(teams_home_team_name)
 aaateamH <- distinct(aaateamH)
-aaateamA <- aaaid |>
+aaateamA <- aaaid %>%
   select(teams_away_team_name)
 aaateamA <- distinct(aaateamA)
 
 fslid <- mlb_schedule(season = 2024, level_ids = "14")
-fslid <- fslid |>
+fslid <- fslid %>%
   filter(teams_home_team_name == "Daytona Tortugas" |
            teams_home_team_name == "Jupiter Hammerheads" |
            teams_home_team_name == "Palm Beach Cardinals" |
@@ -271,21 +261,22 @@ fslid <- fslid |>
            teams_home_team_name == "Fort Myers Mighty Mussels" |
            teams_home_team_name == "Lakeland Flying Tigers" |
            teams_home_team_name == "Tampa Tarpons")
-fslteamH <- fslid |>
+fslteamH <- fslid %>%
   select(teams_home_team_name)
 fslteamH <- distinct(fslteamH)
-fslteamA <- fslid |>
+fslteamA <- fslid %>%
   select(teams_away_team_name)
 fslteamA <- distinct(fslteamA)
 
 sbid <- mlb_schedule(season = 2024, level_ids = "22")
-sbteamH <- sbid |>
+sbteamH <- sbid %>%
   select(teams_home_team_name)
 sbteamH <- distinct(sbteamH)
-sbteamA <- sbid |>
+sbteamA <- sbid %>%
   select(teams_away_team_name)
 sbteamA <- distinct(sbteamA)
 
+# UI Definition
 ui <- fluidPage(
   tags$head(
     tags$style(HTML("
@@ -310,7 +301,6 @@ ui <- fluidPage(
       actionButton("update", "Find Pitcher", icon("magnifying-glass"),
                    style = "color: #FFFFFF; background-color: #0077B6; width: 100%;"),
       selectizeInput("pitcher", "Pitcher Name:", c(" ")),
-     # selectizeInput("league", "MLB or MiLB Photo", c("MLB", "MiLB")),
       textInput("title", "Card Title"),
       actionButton("update1", "Make Card", icon("plus"),
                    style = "color: #FFFFFF; background-color: #0077B6; width: 100%;"),
@@ -321,7 +311,6 @@ ui <- fluidPage(
     )
   )
 )
-
 server <- function(input, output, session) {
   observeEvent(input$level, {
     if(input$level == "AAA"){
@@ -343,168 +332,162 @@ server <- function(input, output, session) {
   })
   
   observeEvent(input$update, {
-    if(input$level == "AAA"){
-      pname <- aaaid |>
-        filter(date == input$date) |>
-        filter(teams_home_team_name == input$homeT) |>
-        filter(teams_away_team_name == input$awayT) |>
-        filter(game_number == input$gamenum)
-      pname <- tryCatch({pitcher_summary(pname[,6],input$date)},error=function(e){cat("ERROR :",conditionMessage(e), "\n")})
-      updateSelectizeInput(session = getDefaultReactiveDomain(),"pitcher","Pitcher:",choices =  pname[,3])
-    }
-    if(input$level == "FSL"){
-      pname <- fslid |>
-        filter(date == input$date) |>
-        filter(teams_home_team_name == input$homeT) |>
-        filter(teams_away_team_name == input$awayT) |>
-        filter(game_number == input$gamenum)
-      pname <- tryCatch({pitcher_summary(pname[,6],input$date)},error=function(e){cat("ERROR :",conditionMessage(e), "\n")})
-      updateSelectizeInput(session = getDefaultReactiveDomain(),"pitcher","Pitcher:",choices =  pname[,3])
-    }
-    if(input$level == "MLB"){
-      pname <- mlbid |>
-        filter(date == as.character.Date(input$date)) |>
-        filter(teams_home_team_name == input$homeT) |>
-        filter(teams_away_team_name == input$awayT) |>
-        filter(game_number == input$gamenum)
-      pname <- tryCatch({pitcher_summary(pname[,6],input$date)},error=function(e){cat("ERROR :",conditionMessage(e), "\n")})
-      updateSelectizeInput(session = getDefaultReactiveDomain(),"pitcher","Pitcher:",choices =  pname[,3])
-    }
-    if(input$level == "College (Statcast Parks Only)"){
-      pname <- sbid |>
-        filter(date == input$date) |>
-        filter(teams_home_team_name == input$homeT) |>
-        filter(teams_away_team_name == input$awayT) |>
-        filter(game_number == input$gamenum)
-      pname <- tryCatch({pitcher_summary(pname[,6],input$date)},error=function(e){cat("ERROR :",conditionMessage(e), "\n")})
-      updateSelectizeInput(session = getDefaultReactiveDomain(),"pitcher","Pitcher:",choices =  pname[,3])
-    }
+    tryCatch({
+      if(input$level == "AAA"){
+        pname <- aaaid %>%
+          filter(date == input$date) %>%
+          filter(teams_home_team_name == input$homeT) %>%
+          filter(teams_away_team_name == input$awayT) %>%
+          filter(game_number == input$gamenum)
+        pname <- pitcher_summary(pname[,6],input$date)
+      }
+      if(input$level == "FSL"){
+        pname <- fslid %>%
+          filter(date == input$date) %>%
+          filter(teams_home_team_name == input$homeT) %>%
+          filter(teams_away_team_name == input$awayT) %>%
+          filter(game_number == input$gamenum)
+        pname <- pitcher_summary(pname[,6],input$date)
+      }
+      if(input$level == "MLB"){
+        pname <- mlbid %>%
+          filter(date == as.character.Date(input$date)) %>%
+          filter(teams_home_team_name == input$homeT) %>%
+          filter(teams_away_team_name == input$awayT) %>%
+          filter(game_number == input$gamenum)
+        pname <- pitcher_summary(pname[,6],input$date)
+      }
+      if(input$level == "College (Statcast Parks Only)"){
+        pname <- sbid %>%
+          filter(date == input$date) %>%
+          filter(teams_home_team_name == input$homeT) %>%
+          filter(teams_away_team_name == input$awayT) %>%
+          filter(game_number == input$gamenum)
+        pname <- pitcher_summary(pname[,6],input$date)
+      }
+      
+      if(nrow(pname) == 0) {
+        showNotification("No pitchers found for the selected game.", type = "warning")
+      } else {
+        updateSelectizeInput(session = getDefaultReactiveDomain(),"pitcher","Pitcher:",choices =  pname[,3])
+      }
+    }, error = function(e) {
+      showNotification(paste("Error finding pitchers:", e$message), type = "error")
+    })
   })
   
   combinedPlot <- reactiveVal()
   observeEvent(input$update1, {
-    if(input$level == "MLB"){
-      id <- mlbid |>
-        filter(date == as.character.Date(input$date)) |>
-        filter(teams_home_team_name == input$homeT) |>
-        filter(teams_away_team_name == input$awayT) |>
-        filter(game_number == input$gamenum)
-      game <- tryCatch({pitcher_summary(id[,6],input$date)},error=function(e){cat("ERROR :",conditionMessage(e), "\n")})
-      game <- game |>
-        filter(`Pitcher Name`  == input$pitcher)
-      id <- as.character(game[1,4])
-    }
-    if(input$level == "FSL"){
-      id <- fslid |>
-        filter(date == as.character.Date(input$date)) |>
-        filter(teams_home_team_name == input$homeT) |>
-        filter(teams_away_team_name == input$awayT) |>
-        filter(game_number == input$gamenum)
-      game <- tryCatch({pitcher_summary(id[,6],input$date)},error=function(e){cat("ERROR :",conditionMessage(e), "\n")})
-      game <- game |>
-        filter(`Pitcher Name`  == input$pitcher)
-      id <- as.character(game[1,4])
-    }
-    if(input$level == "AAA"){
-      id <- aaaid |>
-        filter(date == as.character.Date(input$date)) |>
-        filter(teams_home_team_name == input$homeT) |>
-        filter(teams_away_team_name == input$awayT) |>
-        filter(game_number == input$gamenum)
-      game <- tryCatch({pitcher_summary(id[,6],input$date)},error=function(e){cat("ERROR :",conditionMessage(e), "\n")})
-      game <- game |>
-        filter(`Pitcher Name`  == input$pitcher)
-      id <- as.character(game[1,4])
-    }
-    if(input$level == "College (Statcast Parks Only)"){
-      id <- sbid |>
-        filter(date == as.character.Date(input$date)) |>
-        filter(teams_home_team_name == input$homeT) |>
-        filter(teams_away_team_name == input$awayT) |>
-        filter(game_number == input$gamenum)
-      game <- tryCatch({pitcher_summary(id[,6],input$date)},error=function(e){cat("ERROR :",conditionMessage(e), "\n")})
-      game <- game |>
-        filter(`Pitcher Name`  == input$pitcher)
-      id <- as.character(game[1,4])
-    }
-    
-    break_plot <- break_plot(game)
-    pitch_plot <- pitch_plot(game)
-    
-    # Create table plot
-    # Update the tableGrob in the observeEvent(input$update1, {...}) block
-    table_plot <- tableGrob(summary_table(game), theme = ttheme_default(
-      core = list(fg_params = list(cex = 1.7)),
-      colhead = list(fg_params = list(cex = 1.2)),
-      rowhead = list(fg_params = list(cex = 2.5))))
-    table_plot$widths[[1]] <- unit(0, "cm")
-    
-    # Find the text grobs in the first column
-    text_grobs <- which(sapply(table_plot$grobs, function(g) {
-      g$name == "core-fg-1" && inherits(g$children[[1]], "text")
-    }))
-    
-    # Remove the numbers from these text grobs
-    for (i in text_grobs) {
-      text <- table_plot$grobs[[i]]$children[[1]]$label
-      table_plot$grobs[[i]]$children[[1]]$label <- sub("^\\d+\\s*", "", text)
-    }
-    
-    # Draw the modified table
-    grid.newpage()
-    grid.draw(table_plot)
-    # Download and process image
-    # if(input$league == "MLB"){
-    #   y <- paste("https://midfield.mlbstatic.com/v1/people/","/mlb/300?circle=false",sep = id)
-    # } else {
-    #   y <- paste("https://midfield.mlbstatic.com/v1/people/","/milb/300?circle=false",sep = id)
-    # }
-    #if (input$league == "MLB") {
-      y <- paste0("https://midfield.mlbstatic.com/v1/people/", id, "/mlb/300?circle=false")
-    # } else {
-    #   y <- paste0("https://midfield.mlbstatic.com/v1/people/", id, "/milb/300?circle=false")
-    # }
-    
-    # Initialize the URL to NULL
-    y <- NULL
-    
-    # Try the MLB URL first
-    mlb_url <- paste0("https://midfield.mlbstatic.com/v1/people/", id, "/mlb/300?circle=false")
-    response <- httr::GET(mlb_url)
-    
-    if (httr::status_code(response) == 200) {
-      y <- mlb_url  # Use MLB URL if it returns a 200 status code
-    } else if (httr::status_code(response) == 404) {
-      # If MLB URL fails with a 404, try the MiLB URL
+    tryCatch({
+      if(input$level == "MLB"){
+        id <- mlbid %>%
+          filter(date == as.character.Date(input$date)) %>%
+          filter(teams_home_team_name == input$homeT) %>%
+          filter(teams_away_team_name == input$awayT) %>%
+          filter(game_number == input$gamenum)
+        game <- pitcher_summary(id[,6],input$date)
+        game <- game %>%
+          filter(`Pitcher Name`  == input$pitcher)
+        id <- as.character(game[1,4])
+      }
+      if(input$level == "FSL"){
+        id <- fslid %>%
+          filter(date == as.character.Date(input$date)) %>%
+          filter(teams_home_team_name == input$homeT) %>%
+          filter(teams_away_team_name == input$awayT) %>%
+          filter(game_number == input$gamenum)
+        game <- pitcher_summary(id[,6],input$date)
+        game <- game %>%
+          filter(`Pitcher Name`  == input$pitcher)
+        id <- as.character(game[1,4])
+      }
+      if(input$level == "AAA"){
+        id <- aaaid %>%
+          filter(date == as.character.Date(input$date)) %>%
+          filter(teams_home_team_name == input$homeT) %>%
+          filter(teams_away_team_name == input$awayT) %>%
+          filter(game_number == input$gamenum)
+        game <- pitcher_summary(id[,6],input$date)
+        game <- game %>%
+          filter(`Pitcher Name`  == input$pitcher)
+        id <- as.character(game[1,4])
+      }
+      if(input$level == "College (Statcast Parks Only)"){
+        id <- sbid %>%
+          filter(date == as.character.Date(input$date)) %>%
+          filter(teams_home_team_name == input$homeT) %>%
+          filter(teams_away_team_name == input$awayT) %>%
+          filter(game_number == input$gamenum)
+        game <- pitcher_summary(id[,6],input$date)
+        game <- game %>%
+          filter(`Pitcher Name`  == input$pitcher)
+        id <- as.character(game[1,4])
+      }
+      
+      if(nrow(game) == 0) {
+        showNotification("No data available for the selected pitcher.", type = "warning")
+        return()
+      }
+      
+      break_plot <- break_plot(game)
+      pitch_plot <- pitch_plot(game)
+      
+      table_plot <- tableGrob(summary_table(game), theme = ttheme_default(
+        core = list(fg_params = list(cex = 1.7)),
+        colhead = list(fg_params = list(cex = 1.2)),
+        rowhead = list(fg_params = list(cex = 2.5))))
+      table_plot$widths[[1]] <- unit(0, "cm")
+      
+      text_grobs <- which(sapply(table_plot$grobs, function(g) {
+        g$name == "core-fg-1" && inherits(g$children[[1]], "text")
+      }))
+      
+      for (i in text_grobs) {
+        text <- table_plot$grobs[[i]]$children[[1]]$label
+        table_plot$grobs[[i]]$children[[1]]$label <- sub("^\\d+\\s*", "", text)
+      }
+      
+      grid.newpage()
+      grid.draw(table_plot)
+      
+      mlb_url <- paste0("https://midfield.mlbstatic.com/v1/people/", id, "/mlb/300?circle=false")
       milb_url <- paste0("https://midfield.mlbstatic.com/v1/people/", id, "/milb/300?circle=false")
-      response <- httr::GET(milb_url)
       
-      if (httr::status_code(response) == 200) {
-        y <- milb_url  # Use MiLB URL if it returns a 200 status code
+      img_file <- tryCatch({
+        download_and_process_image(mlb_url)
+      }, error = function(e) {
+        NULL
+      })
+      
+      if (is.null(img_file)) {
+        img_file <- tryCatch({
+          download_and_process_image(milb_url)
+        }, error = function(e) {
+          NULL
+        })
+      }
+      
+      if (!is.null(img_file)) {
+        img <- readPNG(img_file)
+        img_grob <- rasterGrob(img, interpolate = TRUE)
       } else {
-        stop("Both MLB and MiLB URLs failed with 404 error")
+        img_grob <- textGrob("Image not available", gp = gpar(col = "red", fontsize = 20))
       }
-    } else {
-      stop("MLB URL failed with an unexpected error")
-    }
-
-    photo <- tempfile()
-    download.file(y, photo, mode = 'wb')
-    img <- readPNG(photo)
-    img_grob <- rasterGrob(img, interpolate = TRUE)
-    
-    # Combine all elements into one plot
-    combined <- grid.arrange(
-      arrangeGrob(table_plot, img_grob, ncol = 2, widths = c(2/3, 1/3)),
-      arrangeGrob(break_plot, pitch_plot, ncol = 2),
-      nrow = 2,
-      top = textGrob(paste(input$title, "Made by @TimStats", sep = " "), gp = gpar(fontsize = 20, font = 2))
-    )
-    
-    combinedPlot(combined)
-    
-    output$combinedPlot <- renderPlot({
-      grid.draw(combinedPlot())
+      
+      combined <- grid.arrange(
+        arrangeGrob(table_plot, img_grob, ncol = 2, widths = c(2/3, 1/3)),
+        arrangeGrob(break_plot, pitch_plot, ncol = 2),
+        nrow = 2,
+        top = textGrob(paste(input$title, "Made by @TimStats", sep = " "), gp = gpar(fontsize = 20, font = 2))
+      )
+      
+      combinedPlot(combined)
+      
+      output$combinedPlot <- renderPlot({
+        grid.draw(combinedPlot())
+      })
+    }, error = function(e) {
+      showNotification(paste("Error generating card:", e$message), type = "error")
     })
   })
   
@@ -518,5 +501,4 @@ server <- function(input, output, session) {
   )
 }
 
-
 shinyApp(ui, server)