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|
package handlers
import (
"encoding/json"
"net/http"
"strconv"
"server/database"
"server/helper"
)
type postsResponse struct {
Posts []database.Post `json:"posts"`
}
func Posts(writer http.ResponseWriter, request *http.Request) {
if request.Method != "GET" {
helper.WriteErrorJson("expected GET method", writer, http.StatusBadRequest)
return
}
page, err := strconv.Atoi(request.URL.Query().Get("page"))
if err != nil {
helper.WriteErrorJson("expected page parameter", writer, http.StatusBadRequest)
return
}
if page < 0 {
helper.WriteErrorJson("expected page parameter >= 0", writer, http.StatusBadRequest)
return
}
amount, err := strconv.Atoi(request.URL.Query().Get("amount"))
if err != nil {
helper.WriteErrorJson("expected amount parameter", writer, http.StatusBadRequest)
return
}
if amount <= 0 {
helper.WriteErrorJson("expected amount parameter > 0", writer, http.StatusBadRequest)
return
}
subreact := request.URL.Query().Get("subreact")
if !helper.IsValidSubreact(subreact, writer) {
return
}
posts, err := database.GetPosts(subreact, page, amount)
if err != nil {
helper.WriteInternalErrorJson(err, writer)
return
}
resp, err := json.Marshal(postsResponse{Posts: posts})
if err != nil {
helper.WriteInternalErrorJson(err, writer)
return
}
writer.Write(resp)
}
|
