Adding Leaderboard updates

backend/src/controllers/followings.go

@@ -81,6 +81,26 @@ func (fol *FollowingController) GetFollowers(c *gin.Context) {
 	c.JSON(http.StatusOK, followings)
 }
 
+// GetLeaders godoc
+//
+// @Summary Gets the 10 users with the most followers
+// @ID get-leaders
+// @Tags user-followings
+// @Produce json
+// @Success 200 {object} []models.Leaders
+// @Failure 404 {string} string "Failed to fetch leaders: 404 Error"
+// @Router /api/leaders [get]
+func (fol *FollowingController) GetLeaders(c *gin.Context) {
+	leaders, err := fol.followingService.GetLeaders()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch users", "msg": err})
+		return
+	}
+	c.JSON(http.StatusOK, leaders)
+}
+
+//////////////////////////////////////////Create////////////////////////////////////////
+
 // CreateFollowings godoc
 //
 // @Summary Creates a Followings relation

backend/src/controllers/trending_user.go

@@ -0,0 +1,37 @@
+package controllers
+
+import (
+	"backend/src/services"
+	"github.com/gin-gonic/gin"
+	"net/http"
+)
+
+type TrendingController struct {
+	trendingService *services.TrendingUserService
+}
+
+func NewTrendingController(trendingService *services.TrendingUserService) *TrendingController {
+	return &TrendingController{
+		trendingService: trendingService,
+	}
+}
+
+// GetTrending godoc
+//
+//		@Summary		Gets all trending Users
+//		@Description	Returns all trending users as trending user objects
+//		@ID				get-all-followings
+//		@Tags			followings
+//		@Produce		json
+//		@Success		200	  {object}	  []models.Followings
+//	    @Failure        404   {string}    string "Failed to fetch followers: 404 Error"
+//		@Router			/api/following/  [get]
+func (tre *TrendingController) GetTrending(c *gin.Context) {
+	trending, err := tre.trendingService.GetTrendingUsers()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch users", "msg": err})
+		return
+	}
+
+	c.JSON(http.StatusOK, trending)
+}

backend/src/db/migrations/5_USER_PORTFOLIO_V1.sql

@@ -11,4 +11,12 @@ CREATE TABLE user_portfolios
     day_gain_pct   NUMERIC(12, 2),
     total_gain     NUMERIC(12, 2),
     total_gain_pct NUMERIC(12, 2)
-);
+);
+
+
+INSERT INTO user_portfolios (user_id, day_gain, day_gain_pct, total_gain, total_gain_pct)
+VALUES
+('user_2chL8dX6HdbBAuvu3DDM9f9NzKK', 130, 14, 680, 93),
+('user_2cpFbBLPGkPbszijtQneek7ZJxg', -14, -8, 680, 93),
+('user_2dv5XFsCMYc4qLcsAnEJ1aUbxnk', 400, 3, 680, 93),
+('user_2cwGfu9zcjsbxq5Lp8gy2rkVNlc', 200, 9, 680, 93);

backend/src/models/leader.go

@@ -0,0 +1,9 @@
+package models
+
+type Leader struct {
+	FollowingUserID string `gorm:"type:varchar(255);" json:"following_user_id"`
+	FollowerCount   uint   `gorm:"type:int;" json:"follower_count"`
+
+	//Must be Preloaded
+	FollowingUser User `gorm:"foreignKey:FollowingUserID;references:ID" json:"leader_user"`
+}

backend/src/models/trending_user.go

@@ -0,0 +1,17 @@
+package models
+
+type TrendingUser struct {
+	UserID string `gorm:"type:varchar(255);" json:"user_id"`
+	// Retrieve from positions
+	DayGainPct float64 `gorm:"type:numeric(12,2);not null" json:"day_gain_pct"`
+
+	//Must be Preloaded
+	TrendingUserReference User `gorm:"foreignKey:UserID;references:ID" json:"trending_user_reference"`
+}
+
+func NewTrendingUser(userID string, gainPCT float64) *TrendingUser {
+	return &TrendingUser{
+		UserID:     userID,
+		DayGainPct: gainPCT,
+	}
+}

backend/src/routes/followings.go

@@ -18,6 +18,8 @@ import (
 func SetupFollowingRoutes(router *gin.Engine, db *gorm.DB) {
 	followingService := services.NewFollowingService(db)
 	followingController := controllers.NewFollowingController(followingService)
+	trendingService := services.NewTrendingUserService(db)
+	trendingController := controllers.NewTrendingController(trendingService)
 
 	followingRoutes := router.Group("/following")
 	{
@@ -38,4 +40,14 @@ func SetupFollowingRoutes(router *gin.Engine, db *gorm.DB) {
 		followersRoutes.GET("/:following_user_id", followingController.GetFollowers)
 	}
 
+	leaderRoutes := router.Group("/leaders")
+	{
+		//Get the 10 users with the most followers
+		leaderRoutes.GET("/", followingController.GetLeaders)
+	}
+	trendingRoutes := router.Group("/trending")
+	{
+		trendingRoutes.GET("/", trendingController.GetTrending)
+	}
+
 }

backend/src/services/followings.go

@@ -42,6 +42,40 @@ func (fol *FollowingService) GetAllFollowings() ([]models.Followings, error) {
 	return following, nil
 }
 
+// GetLeaders retrieves the users with the most followers
+//
+// This method queries the database to fetch all Followings relations, including details about the follower and followed users.
+//
+// Returns:
+//   - A slice of User models containing the retrieved User relations.
+//   - An error if any database operation fails.
+//
+// Finish writing this sql query in the below Gorm function
+// SQL Equivalent:
+// SELECT followed
+// FROM followings
+// GROUP BY followed
+// ORDER BY COUNT(*) DESC;
+
+// TODO
+func (fol *FollowingService) GetLeaders() ([]models.Leader, error) {
+
+	var leaders []models.Leader
+
+	if err := fol.DB.Table("followings").
+		//Preload("FollowerUser").
+		Preload("FollowingUser").
+		Select("following_user_id, COUNT(*) as follower_count").
+		Group("following_user_id").
+		Order("follower_count DESC").
+		Limit(10).
+		Find(&leaders).Error; err != nil {
+		return nil, err
+	}
+
+	return leaders, nil
+}
+
 // GetTimeline retrieves all followings where the specified user is the follower.
 //
 // This method queries the database to fetch all followings where the given user is the follower,

backend/src/services/trending_user.go

@@ -0,0 +1,32 @@
+package services
+
+import (
+	"backend/src/models"
+	"gorm.io/gorm"
+)
+
+type TrendingUserService struct {
+	DB *gorm.DB
+}
+
+func NewTrendingUserService(db *gorm.DB) *TrendingUserService {
+	return &TrendingUserService{
+		DB: db,
+	}
+}
+
+func (tre *TrendingUserService) GetTrendingUsers() ([]models.TrendingUser, error) {
+
+	var trending []models.TrendingUser
+
+	if err := tre.DB.Table("user_portfolios").
+		Preload("TrendingUserReference").
+		Select("user_id, day_gain_pct").
+		Order("day_gain_pct DESC").
+		Limit(10).
+		Find(&trending).Error; err != nil {
+		return nil, err
+	}
+
+	return trending, nil
+}

frontend/components/PopularLeaderboard.tsx

@@ -0,0 +1,28 @@
+import React from 'react';
+import { ScrollView, View } from 'react-native';
+import { Leader } from '../types/types';
+import PopularUser from './PopularUser';
+
+
+
+type PopularProps = {
+    leaderboard: Leader[];
+}
+
+const PopularLeaderboard: React.FC<PopularProps> = ({leaderboard}: PopularProps) => {
+
+    return (
+        <ScrollView>
+            {
+                leaderboard.map((leader, index) => (
+                    <React.Fragment key={index}>
+                        <PopularUser leader={leader} />
+                        {index < leaderboard.length - 1 && <Separator />}
+                    </React.Fragment>
+            ))}
+        </ScrollView>
+    )
+}
+const Separator = () => <View style={{ height: 15 }} />;
+
+export default PopularLeaderboard;

frontend/components/PopularTrendingBoard.tsx

@@ -0,0 +1,28 @@
+import React from 'react';
+import { ScrollView, View } from 'react-native';
+import { Trending } from '../types/types';
+import TrendingUser from './TrendingUser';
+
+
+
+type TrendingProps = {
+    trendingboard: Trending[];
+}
+
+const PopularTrendingBoard: React.FC<TrendingProps> = ({trendingboard}: TrendingProps) => {
+
+    return (
+        <ScrollView>
+            {
+                trendingboard.map((trending, index) => (
+                    <React.Fragment key={index}>
+                        <TrendingUser trending={trending} />
+                        {index < trendingboard.length - 1 && <Separator />}
+                    </React.Fragment>
+            ))}
+        </ScrollView>
+    )
+}
+const Separator = () => <View style={{ height: 15 }} />;
+
+export default PopularTrendingBoard;

frontend/components/PopularUser.tsx

@@ -0,0 +1,104 @@
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-expect-error
+import React from 'react';
+import {Image, StyleSheet, Text, View} from 'react-native';
+import { Leader } from '../types/types';
+
+type PopularUserProps = {
+leader: Leader;
+}
+
+const PopularUser: React.FC<PopularUserProps> = ({ leader }: PopularUserProps) => {
+    return (
+        <View style={styles.container}>
+            {/* Column for image */}
+            <View style={[styles.column, styles.imageColumn]}>
+                <View style={styles.imageContainer}>
+                    <Image
+                        source={{uri: leader.leader_user.image_url}}
+                        style={styles.image}
+                    />
+                </View>
+            </View>
+
+            <View style={[styles.column, styles.textColumn]}>
+                <View style={styles.textContainer}>
+                    <Text style={styles.nameText}>
+                        {leader.leader_user.first_name} {leader.leader_user.last_name}
+                    </Text>
+                    <Text style={styles.actionText}>
+                        Recent: Recent actions will display{"\n"} here
+                    </Text>
+                </View>
+            </View>
+
+
+            <View style={[styles.column, styles.followersColumn]}>
+                <Image
+                    source={require("../assets/followers_logo.png")}
+                    style={styles.followersLogo}
+                />
+                <Text style={styles.followersText}>
+                   {leader.follower_count}
+                </Text>
+            </View>
+        </View>
+    );
+};
+
+const styles = StyleSheet.create({
+    container: {
+        flexDirection: 'row',
+        justifyContent: 'space-between',
+        alignItems: 'center',
+        paddingHorizontal: 10,
+    },
+    column: {
+        flex: 1,
+    },
+    imageColumn: {
+        flex: 0.17,
+    },
+    textColumn: {
+        flex: 0.65,
+    },
+    followersColumn: {
+        flex: 0.18,
+        flexDirection: 'row', // Check
+        justifyContent: 'flex-end', //check
+    },
+    imageContainer: {
+        width: 40,
+        height: 40,
+        borderRadius: 20,
+        overflow: 'hidden',
+    },
+    image: {
+        width: "100%",
+        height: "100%",
+    },
+    textContainer: {
+        flex: 1,
+    },
+    actionText: {
+        fontSize: 8,
+        color: '#787878',
+    },
+    nameText: {
+        fontWeight: 'bold',
+        fontSize: 12,
+        marginBottom: 1,
+        color: '#787878',
+    },
+    followersText: {
+        alignSelf: 'flex-end',
+        color: '#787878',
+    },
+    followersLogo: {
+        width: 20,
+        height: 20,
+        marginRight: 5,
+    }
+});
+
+export default PopularUser;