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package handler
import (
"net/http"
"strconv"
"github.com/labstack/echo"
"github.com/labstack/echo/cookbook/twitter/model"
mgo "gopkg.in/mgo.v2"
"gopkg.in/mgo.v2/bson"
)
func (h *Handler) CreatePost(c echo.Context) (err error) {
u := &model.User{
ID: bson.ObjectIdHex(userIDFromToken(c)),
}
p := &model.Post{
ID: bson.NewObjectId(),
From: u.ID.Hex(),
}
if err = c.Bind(p); err != nil {
return
}
// Validation
if p.To == "" || p.Message == "" {
return &echo.HTTPError{Code: http.StatusBadRequest, Message: "invalid to or message fields"}
}
// Find user from database
db := h.DB.Clone()
defer db.Close()
if err = db.DB("twitter").C("users").FindId(u.ID).One(u); err != nil {
if err == mgo.ErrNotFound {
return echo.ErrNotFound
}
return
}
// Save post in database
if err = db.DB("twitter").C("posts").Insert(p); err != nil {
return
}
return c.JSON(http.StatusCreated, p)
}
func (h *Handler) FetchPost(c echo.Context) (err error) {
userID := userIDFromToken(c)
page, _ := strconv.Atoi(c.QueryParam("page"))
limit, _ := strconv.Atoi(c.QueryParam("limit"))
// Defaults
if page == 0 {
page = 1
}
if limit == 0 {
limit = 100
}
// Retrieve posts from database
posts := []*model.Post{}
db := h.DB.Clone()
if err = db.DB("twitter").C("posts").
Find(bson.M{"to": userID}).
Skip((page - 1) * limit).
Limit(limit).
All(&posts); err != nil {
return
}
defer db.Close()
return c.JSON(http.StatusOK, posts)
}
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