feat: new endpoints for posts and change in the get users to get by usernames.

controllers/postController.go

@@ -7,13 +7,112 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
 	"github.com/h2non/filetype"
+	"gorm.io/gorm"
 	"mime/multipart"
 	"net/http"
 	"os"
 	"path/filepath"
+	"strconv"
 	"strings"
 )
 
+type PostData struct {
+	PostId uuid.UUID     `json:"id"`
+	Text   string        `json:"text"`
+	Files  []models.File `json:"files"`
+	User   UserData      `json:"user"`
+}
+
+func GetPosts(c *gin.Context) {
+	page, err := strconv.Atoi(c.Query("page"))
+	if err != nil || page <= 0 {
+		page = 1
+	}
+
+	var posts []models.Post
+
+	offset := (page - 1) * 20
+
+	result := initializers.DB.Offset(offset).Limit(20).Order("created_at desc").Find(&posts)
+	if result.Error != nil {
+		c.Status(http.StatusBadRequest)
+		return
+	}
+
+	var response []PostData
+	for _, post := range posts {
+		var user models.User
+		result = initializers.DB.Preload("Avatar").First(&user, "id = ?", post.Author)
+
+		if result.Error != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "Database error"})
+			return
+		}
+		respUser := PostData{
+			PostId: post.ID,
+			Text:   post.Text,
+			Files:  post.Files,
+			User: UserData{
+				ID:          user.ID,
+				Username:    user.Username,
+				DisplayName: user.DisplayName,
+				Avatar:      user.Avatar.FileName,
+			},
+		}
+		response = append(response, respUser)
+	}
+
+	c.JSON(http.StatusAccepted, gin.H{
+		"posts": response,
+	})
+}
+
+func GetPostById(c *gin.Context) {
+	postId := c.Param("id")
+
+	uniqueId, err := uuid.Parse(postId)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid id format"})
+		return
+	}
+
+	var postData PostData
+
+	var post models.Post
+	result := initializers.DB.Preload("Files").First(&post, "id = ?", uniqueId)
+
+	if result.Error != nil {
+		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+			c.JSON(http.StatusNotFound, gin.H{"error": "Post not found"})
+		} else {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "Database error"})
+		}
+		return
+	}
+
+	var user models.User
+	result = initializers.DB.Preload("Avatar").First(&user, "id = ?", post.Author)
+
+	if result.Error != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Database error"})
+		return
+	}
+
+	postData = PostData{
+		PostId: uniqueId,
+		Text:   post.Text,
+		Files:  post.Files,
+		User: UserData{
+			ID:          user.ID,
+			Username:    user.Username,
+			DisplayName: user.DisplayName,
+			Avatar:      user.Avatar.FileName,
+		},
+	}
+
+	c.JSON(http.StatusOK, postData)
+}
+
 func CreatePost(c *gin.Context) {
 	form, _ := c.MultipartForm()
 	uploadedFiles := form.File["files"]

controllers/userController.go

@@ -11,33 +11,41 @@ import (
 	"strconv"
 )
 
+type UserData struct {
+	ID          uuid.UUID `json:"id"`
+	Username    string    `json:"username"`
+	DisplayName string    `json:"display_name"`
+	Avatar      string    `json:"profile_picture"`
+}
+
 // GetUsers Returns all users
 func GetUsers(c *gin.Context) {
 	page, err := strconv.Atoi(c.Query("page"))
 	if err != nil || page <= 0 {
 		page = 1
 	}
-
+	username := c.Query("username")
-	type userResponse struct {
-		ID          uuid.UUID `json:"id"`
-		Username    string    `json:"username"`
-		DisplayName string    `json:"display_name"`
-		Avatar      string    `json:"profile_picture"`
-	}
 
 	var users []models.User
 
-	offset := (page - 1) * 50
+	offset := (page - 1) * 20
+
+	var result *gorm.DB
+
+	if username != "" {
+		result = initializers.DB.Where("username LIKE ?", username+"%").Offset(offset).Limit(20).Find(&users)
+	} else {
+		result = initializers.DB.Offset(offset).Limit(20).Find(&users)
+	}
 
-	result := initializers.DB.Offset(offset).Limit(50).Find(&users)
 	if result.Error != nil {
 		c.Status(http.StatusBadRequest)
 		return
 	}
 
-	var response []userResponse
+	var response []UserData
 	for _, user := range users {
-		respUser := userResponse{
+		respUser := UserData{
 			ID:          user.ID,
 			Username:    user.Username,
 			DisplayName: user.DisplayName,

main.go

@@ -34,8 +34,8 @@ func main() {
 	api.Api.GET("/validate", middleware.RequireAuth, controllers.ValidateToken)
 
 	// Users
-	api.Api.GET("/users", controllers.GetUsers)
+	api.Api.GET("/users", middleware.RequireAuth, controllers.GetUsers)
-	api.Api.GET("/users/:id", controllers.GetUserById)
+	api.Api.GET("/users/:id", middleware.RequireAuth, controllers.GetUserById)
 
 	// Files
 	if currentMode == "debug" {
@@ -46,6 +46,8 @@ func main() {
 
 	// Posts
 	api.Api.POST("/posts", middleware.RequireAuth, controllers.CreatePost)
+	api.Api.GET("/posts", middleware.RequireAuth, controllers.GetPosts)
+	api.Api.GET("/posts/:id", middleware.RequireAuth, controllers.GetPostById)
 
 	// Starting
 	err := api.Router.Run()

models/fileModel.go

@@ -5,6 +5,6 @@ import "github.com/google/uuid"
 type File struct {
 	ID       uint `gorm:"primaryKey;autoIncrement;"`
 	FileName string
-	PostID   *uuid.UUID
+	PostID   *uuid.UUID `json:"-"`
-	UserID   *uuid.UUID
+	UserID   *uuid.UUID `json:"-"`
 }