Add structs and corresponding API routes

api/user.go

@@ -0,0 +1,87 @@
+package api
+
+import (
+	"encoding/json"
+	"errors"
+	"strconv"
+
+	"git.nemunai.re/checkhome/struct"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+func init() {
+	router.GET("/api/users/", apiHandler(func (_ httprouter.Params, _ []byte) (interface{}, error) {
+		return ckh.GetUsers()
+	}))
+	router.POST("/api/users/", apiHandler(newUser))
+	router.DELETE("/api/users/", apiHandler(func (_ httprouter.Params, _ []byte) (interface{}, error) {
+		return ckh.ClearUsers()
+	}))
+
+	router.GET("/api/users/:uid", apiHandler(userHandler(func (user ckh.User, _ []byte) (interface{}, error) {
+		return user, nil
+	})))
+	router.PUT("/api/users/:uid", apiHandler(userHandler(updateUser)))
+	router.DELETE("/api/users/:uid", apiHandler(userHandler(func (user ckh.User, _ []byte) (interface{}, error) {
+		return user.Delete()
+	})))
+}
+
+func userHandler(f func(ckh.User, []byte) (interface{}, error)) func(httprouter.Params, []byte) (interface{}, error) {
+	return func(ps httprouter.Params, body []byte) (interface{}, error) {
+		if uid, err := strconv.ParseInt(string(ps.ByName("uid")), 10, 64); err != nil {
+			return nil, err
+		} else if user, err := ckh.GetUser(uid); err != nil {
+			return nil, err
+		} else {
+			return f(user, body)
+		}
+	}
+}
+
+type uploadedUser struct {
+	Username string `json:"username"`
+	Password string `json:"password"`
+}
+
+func newUser(_ httprouter.Params, body []byte) (interface{}, error) {
+	var uu uploadedUser
+	if err := json.Unmarshal(body, &uu); err != nil {
+		return nil, err
+	}
+
+	if len(uu.Username) == 0 {
+		return nil, errors.New("Username cannot be empty")
+	}
+
+	if len(uu.Password) == 0 {
+		return nil, errors.New("Password cannot be empty")
+	}
+
+	return ckh.NewUser(uu.Username, uu.Password)
+}
+
+func updateUser(user ckh.User, body []byte) (interface{}, error) {
+	var uu uploadedUser
+	if err := json.Unmarshal(body, &uu); err != nil {
+		return nil, err
+	}
+
+	if len(uu.Username) == 0 {
+		return nil, errors.New("Username cannot be empty")
+	}
+
+	if len(uu.Password) == 0 {
+		return nil, errors.New("Password cannot be empty")
+	}
+
+	user.Username = uu.Username
+	user.ChangePassword(uu.Password)
+
+	if _, err := user.Update(); err != nil {
+		return nil, err
+	} else {
+		return user, nil
+	}
+}