/
Endpoints.go
98 lines (77 loc) · 2.14 KB
/
Endpoints.go
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package Reminder
import (
"encoding/json"
"errors"
"net/http"
)
const (
//DefaultReturn is the default number of notes to return in a GET request
DefaultReturn = 100
)
func panicRecovery(rWriter http.ResponseWriter) {
if r := recover(); r != nil {
serverError(rWriter, errors.New("Server Panic!"))
}
}
/*
NewNote creates a note in the system.
The request should contain a JSON representation of a note.
This will return a 200 status along with the fully completed note in the response.
If an error occurs a 4xx or 5xx status will be returned along with more
information about the error.
*/
func NewNote(rWriter http.ResponseWriter, req *http.Request, db *Statements) {
defer panicRecovery(rWriter)
note, err := CreateNoteFromReader(req.Body)
if err != nil {
badRequest(rWriter, err)
}
db.CreateNote(note)
noteCreated(rWriter, note)
}
/*
DeleteNote completely removes a note from the database.
*/
func DeleteNote(rWriter http.ResponseWriter, req *http.Request, db *Statements) {
defer panicRecovery(rWriter)
note, err := CreateNoteFromReader(req.Body)
if err != nil {
badRequest(rWriter, err)
}
db.DeleteNote(note)
return200Status(rWriter)
}
/*
GetActiveNotes gets all active notes within the parameters provided.
The request can contain a JSON key-value pair of the following:
startNumber: the number of results to skip before returning new results (used for pagination)
defaults to 0
numberToReturn: the amount of notes you want returned in one pass.
defaults to DefaultReturn
*/
func GetActiveNotes(rWriter http.ResponseWriter, req *http.Request, db *Statements) {
defer panicRecovery(rWriter)
decoder := json.NewDecoder(req.Body)
var startNumber, numberToReturn int
var params map[string]int
if req.ContentLength != 0 {
err := decoder.Decode(¶ms)
if err != nil {
badRequest(rWriter, err)
return
}
}
startNumber, exists := params["startNumber"]
if !exists {
startNumber = 0
}
numberToReturn, exists = params["numberToReturn"]
if !exists {
numberToReturn = DefaultReturn
}
notes, err := db.GetActiveNotes(startNumber, numberToReturn)
if err != nil {
serverError(rWriter, err)
}
returnNotes(rWriter, notes)
}