feat(api): get cover letters with api

backend/controllers/cover/cover.go

@@ -9,6 +9,7 @@ import (
 	res "backend/utils/responses"
 	"fmt"
 	"net/http"
+	"strconv"
 
 	"github.com/gin-gonic/gin"
 	"github.com/go-playground/validator/v10"
@@ -16,7 +17,61 @@ import (
 
 var validate = validator.New()
 
+type CoverGet struct {
+	Id   int    `json:"id"`
+	Name string `json:"name"`
+}
+
 func Get(c *gin.Context) {
+	user, err := jwt.GetUser(c)
+	if err != nil {
+		res.NeedsToLogin(c)
+		return
+	}
+
+	covers, err := cover.Get("user_id = $1", user.Id)
+	if err != nil {
+		res.Error(c, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	// Asign only id and name, for efficieny
+	coverPreviews := make([]CoverGet, len(covers))
+	for i, cover := range covers {
+		coverPreviews[i] = CoverGet{
+			Id:   cover.ID,
+			Name: cover.Name,
+		}
+	}
+
+	res.Success(c, gin.H{"covers": coverPreviews})
+}
+
+func GetID(c *gin.Context) {
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil {
+		res.Error(c, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	user, err := jwt.GetUser(c)
+	if err != nil {
+		res.NeedsToLogin(c)
+		return
+	}
+
+	cover, err := cover.Get("id = $1 AND user_id = $2", id, user.Id)
+	if err != nil {
+		res.Error(c, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	if len(cover) == 0 {
+		res.Error(c, "Cover not found", http.StatusNotFound)
+		return
+	}
+
+	res.Success(c, gin.H{"cover": cover[0]})
 }
 
 type CoverPost struct {

backend/models/cover/cover.go

@@ -6,7 +6,7 @@ import (
 	"time"
 )
 
-type Template struct {
+type Cover struct {
 	ID        int       `json:"id"`
 	UserID    int       `json:"user_id"`
 	Name      string    `json:"name"`
@@ -14,7 +14,7 @@ type Template struct {
 	CreatedAt time.Time `json:"created_at"`
 }
 
-func Get(where string, args ...any) ([]Template, error) {
+func Get(where string, args ...any) ([]Cover, error) {
 	// Create timeout context
 	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
 	defer cancel()
@@ -36,9 +36,9 @@ func Get(where string, args ...any) ([]Template, error) {
 	defer rows.Close()
 
 	// Prepeare results now
-	var results []Template
+	var results []Cover
 	for rows.Next() {
-		var t Template
+		var t Cover
 		if err := rows.Scan(&t.ID, &t.UserID, &t.Name, &t.Letter, &t.CreatedAt); err != nil {
 			return nil, err
 		}

backend/routes/routes.go

@@ -32,6 +32,8 @@ func SetupRoutes() *gin.Engine {
 
 	// Cover letter routes
 	covers := auth.Group("/cover")
+	covers.GET("", cover.Get)
+	covers.GET("/:id", cover.GetID)
 	covers.POST("", cover.Post)
 
 	return r

backend/utils/chatgpt/chatgpt.go

@@ -37,12 +37,12 @@ func GenerateCoverLetter(templateHTML string, jobHTML string) (GeneratedCover, e
 	}
 
 	payload := ChatRequest{
-		Model: "gpt-4o", // o4-mini
+		Model:          "gpt-4o", // o4-mini
 		ResponseFormat: &ResponseFormat{Type: "json_object"},
 		Messages: []ChatMessage{
 			{
 				Role:    "system",
-				Content: `You are a helpful assistant that fills out cover letter templates in HTML format and provides a name for it. Replace all <...> tags like <company>, <experience>, etc., with appropriate content based on the job application. You must respond with a JSON object with two keys: "name" for the cover letter title (e.g., "Cover Letter for a Software Engineer"), and "cover" for the filled HTML cover letter.`,
+				Content: `You are a helpful assistant that fills out cover letter templates in HTML format and provides a name for it. Replace all <...> tags like <company>, <experience>, etc., with appropriate content based on the job application. You must respond with a JSON object with two keys: "name" for the cover letter title (e.g., "Software Engineer at OpenAi"), and "cover" for the filled HTML cover letter.`,
 			},
 			{
 				Role: "user",