Add a route to update NeedHelp entries

help.go

@@ -1,8 +1,10 @@
 package main
 
 import (
+	"fmt"
 	"log"
 	"net/http"
+	"strconv"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -19,6 +21,29 @@ func declareAPIAdminHelpRoutes(router *gin.RouterGroup) {
 
 		c.JSON(http.StatusOK, nhs)
 	})
+
+	needhelpsRoutes := router.Group("/help/:hid")
+	needhelpsRoutes.Use(needHelpHandler)
+
+	needhelpsRoutes.PUT("", func(c *gin.Context) {
+		current := c.MustGet("needhelp").(*NeedHelp)
+
+		var new NeedHelp
+		if err := c.ShouldBindJSON(&new); err != nil {
+			c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": err.Error()})
+			return
+		}
+
+		new.Id = current.Id
+
+		if err := new.Update(); err != nil {
+			log.Println("Unable to Update needhelp:", err)
+			c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": fmt.Sprintf("An error occurs during needhelp entry updation: %s", err.Error())})
+			return
+		} else {
+			c.JSON(http.StatusOK, new)
+		}
+	})
 }
 
 func declareAPIAuthHelpRoutes(router *gin.RouterGroup) {
@@ -36,6 +61,19 @@ func declareAPIAuthHelpRoutes(router *gin.RouterGroup) {
 	})
 }
 
+func needHelpHandler(c *gin.Context) {
+	if hid, err := strconv.Atoi(string(c.Param("hid"))); err != nil {
+		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": "Bad need help identifier."})
+		return
+	} else if nh, err := getNeedHelp(hid); err != nil {
+		c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"errmsg": "Need help entry not found."})
+		return
+	} else {
+		c.Set("needhelp", nh)
+		c.Next()
+	}
+}
+
 type NeedHelp struct {
 	Id          int64      `json:"id"`
 	IdUser      int64      `json:"id_user"`
@@ -65,6 +103,12 @@ func getNeedHelps() (nh []NeedHelp, err error) {
 	}
 }
 
+func getNeedHelp(id int) (n *NeedHelp, err error) {
+	n = new(NeedHelp)
+	err = DBQueryRow("SELECT id_need_help, id_user, date, comment, date_treated FROM user_need_help WHERE id_need_help=?", id).Scan(&n.Id, &n.IdUser, &n.Date, &n.Comment, &n.DateTreated)
+	return
+}
+
 func (u *User) NewNeedHelp() (NeedHelp, error) {
 	if res, err := DBExec("INSERT INTO user_need_help (id_user, comment) VALUES (?, ?)", u.Id, ""); err != nil {
 		return NeedHelp{}, err