feat(api): create template

Add template table to the database
Create controller function to check if user has template, and create it
in the database
Made universal jwt.Claims of user data retrieval function

backend/controllers/template/template.go

@@ -0,0 +1,70 @@
+package template
+
+import (
+	"backend/models/template"
+	"backend/utils/jwt"
+	res "backend/utils/responses"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/go-playground/validator/v10"
+)
+
+type TemplateForm struct {
+	Name     string `json:"name" validate:"required,min=2,max=50"`
+	Template string `json:"template" validate:"required"`
+}
+
+var validate = validator.New()
+
+func Create(c *gin.Context) {
+	// Receive data from frontend, check if data is okay, hash password, call model
+	var data TemplateForm
+	if err := c.ShouldBindJSON(&data); err != nil {
+		res.Error(c, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	// Validate data
+	if err := validate.Struct(data); err != nil {
+		res.Error(c, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	// Get user id
+	user, err := jwt.GetUser(c)
+	if err != nil {
+		res.Error(c, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	// Check if template already exists
+	templates, err := template.FindByName(data.Name, user.Id)
+	if err != nil {
+		res.Error(c, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	// Check if template already exists with that name
+	if len(templates) > 0 {
+		res.Error(c, "Template already exists", http.StatusBadRequest)
+		return
+	}
+
+	// Create in database
+	if err := template.Create(data.Name, data.Template, user.Id); err != nil {
+		res.Error(c, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	res.Success(c, gin.H{"message": "Successfully created template"})
+}
+
+func Get(c *gin.Context) {
+}
+
+func Update(c *gin.Context) {
+}
+
+func Delete(c *gin.Context) {
+}