forked from jakecoffman/martini-gorp-bootstrap
/
handlers.go
93 lines (85 loc) · 2.33 KB
/
handlers.go
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package main
import (
"log"
"strconv"
"github.com/codegangsta/martini"
"github.com/coopernurse/gorp"
"github.com/martini-contrib/render"
)
type tasksView struct {
Id int `json:"id"`
Name string `json:"name"`
}
func ListTasks(r render.Render, db *gorp.DbMap, log *log.Logger) {
var taskIds []tasksView
_, err := db.Select(&taskIds, "select id,name from tasks order by id")
if err != nil {
log.Printf("Error selecting from database: %v", err)
r.JSON(500, map[string]string{"message": "error while retrieving tasks"})
return
}
r.JSON(200, taskIds)
}
func GetTask(r render.Render, params martini.Params, db *gorp.DbMap) {
id, err := strconv.Atoi(params["id"])
if err != nil {
r.JSON(400, map[string]string{"message": "id must be an integer"})
return
}
task, err := db.Get(Task{}, id)
if err != nil {
r.JSON(500, map[string]string{"message": "error while retrieving task"})
return
}
if task == nil {
r.JSON(404, map[string]string{"message": "task not found"})
return
}
r.JSON(200, task)
}
func AddTask(r render.Render, taskPayload Task, db *gorp.DbMap) {
err := db.Insert(&taskPayload)
if err != nil {
log.Printf("Error inserting: %v", err)
r.JSON(400, map[string]string{"message": "failed inserting task"})
return
}
r.JSON(201, taskPayload)
}
func UpdateTask(r render.Render, params martini.Params, taskPayload Task, db *gorp.DbMap) {
id, err := strconv.Atoi(params["id"])
if err != nil {
r.JSON(400, map[string]string{"message": "id must be an integer"})
return
}
taskPayload.Id = id
count, err := db.Update(&taskPayload)
if count == 0 {
r.JSON(404, map[string]string{"message": "task not found"})
return
}
if err != nil {
log.Printf("Failed updating task %v: %v", id, err)
r.JSON(500, map[string]string{"message": "Failed to update task"})
return
}
r.JSON(200, taskPayload)
}
func DeleteTask(r render.Render, params martini.Params, db *gorp.DbMap) {
id, err := strconv.Atoi(params["id"])
if err != nil {
r.JSON(400, map[string]string{"message": "id must be an integer"})
return
}
count, err := db.Delete(&Task{Id: id})
if err != nil {
log.Printf("Failed deleting task %v: %v", id, err)
r.JSON(500, map[string]string{"messaage": "Failed to delete task"})
return
}
if count != 1 {
r.JSON(404, map[string]string{"message": "Task not found"})
return
}
r.JSON(200, map[string]string{})
}