added events routes and handler

Author: KunalKumar-1

server/cmd/api/events.go

@@ -0,0 +1,131 @@
+package main
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+	"github.com/kunalkumar-1/Evently/internals/database"
+)
+
+// create event
+func (app *application) createEvent(c *gin.Context) {
+
+	var event database.Event
+
+	if err := c.ShouldBindJSON(&event); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"error": err.Error(),
+		})
+		return
+	}
+
+	err := app.models.Events.insert(event)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"error": "Failed to create event",
+		})
+		return
+	}
+
+	c.JSON(http.StatusCreated, event)
+}
+
+func (app *application) getAllEvent(c *gin.Context) {
+	events, err := app.models.Events.GetAll()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"error": "Failed to retireve events",
+		})
+		return
+	}
+	c.JSON(http.StatusOK, events)
+}
+
+// get events
+func (app *application) getEvent(c *gin.Context) {
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"error": "Invalid event Id",
+		})
+		return
+	}
+
+	event, err := app.models.Events.Get(id)
+	if err == nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"error": "Event not found",
+		})
+		return
+	}
+
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"error": "Failed to retireve event",
+		})
+		return
+	}
+	c.JSON(http.StatusCreated, event)
+}
+
+// update event
+func (app *application) updateEvent(c *gin.Context) {
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"error": "Invalid event Id",
+		})
+		return
+	}
+
+	existingEvent, err := app.models.Events.Get(id)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"error": "Failed to retireve event",
+		})
+		return
+	}
+
+	if existingEvent == nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"erorr": "Event not found",
+		})
+		return
+	}
+
+	updatedEvent := &database.Event{}
+
+	if err := c.ShouldBind(updatedEvent); err != nil {
+		c.JSON(http.StatusBadGateway, gin.H{
+			"error": err.Error(),
+		})
+	}
+
+	updatedEvent.Id = id
+
+	if err := app.models.Events.Update(updatedEvent); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"error": "failed to update event",
+		})
+		return
+	}
+}
+
+func (app *application) deleteEvent(c *gin.Context) {
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"error": "Invalid event Id",
+		})
+		return
+	}
+
+	if err := app.models.Events.Delete(id); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"error": "Failed to delete event",
+		})
+	}
+
+	c.JSON(http.StatusNoContent, nil)
+}

server/cmd/api/routes.go

@@ -7,7 +7,16 @@ import (
 )
 
 func (app *application) routes() http.Handler {
-	g := gin.Default()
+	r := gin.Default()
 
-	return g
+	v1 := r.Group("/api/v1")
+	{
+		v1.POST("/events", app.createEvent)       // create event
+		v1.GET("/events", app.getAllEvent)        // get all events
+		v1.GET("/events/:id", app.getEvent)       // get event by id
+		v1.PUT("/events/:id", app.updateEvent)    // update event by id
+		v1.DELETE("/events/:id", app.deleteEvent) //delete the event by id
+	}
+
+	return r
 }

server/internals/database/attendee.go

@@ -6,7 +6,7 @@ type AttendeeModel struct {
 	Db *sql.DB
 }
 
-type attendee struct {
+type Attendee struct {
 	Id      int `json:"id"`
 	EventId int `json:"eventid"`
 	UserId  int `json:"userid"`

server/internals/database/event.go

@@ -9,7 +9,7 @@ type EventModel struct {
 	Db *sql.DB
 }
 
-type event struct {
+type Event struct {
 	Id          int       `json:"id"`
 	OwnerId     int       `json:"ownerId" binding:"required"`
 	Name        string    `json:"name" binding:"required, min=3, max=50"`

server/internals/database/users.go

@@ -6,7 +6,7 @@ type UserModel struct {
 	Db *sql.DB
 }
 
-type user struct {
+type User struct {
 	Id       int    `json:"id"`
 	Name     string `json:"name"`
 	Email    string `json:"email"`