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endpoint example: post user

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This commit is contained in:
Rene Schallner 2023-01-14 23:27:38 +01:00
parent b79d4d58c6
commit bc07f3393b
4 changed files with 148 additions and 23 deletions
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24
examples/endpoints/endpoints.zig
View file

@ -1,6 +1,7 @@
const std = @import("std");
const zap = @import("zap");
const Users = @import("users.zig");
const User = Users.User;
// the Endpoints
@ -21,7 +22,7 @@ pub fn init(
endpoint = zap.SimpleEndpoint.init(.{
.path = user_path,
.get = getUser,
.post = null,
.post = postUser,
.put = null,
.delete = null,
});
@ -72,11 +73,11 @@ fn getUser(e: *zap.SimpleEndpoint, r: zap.SimpleRequest) void {
fn listUsers(e: *zap.SimpleEndpoint, r: zap.SimpleRequest) void {
_ = e;
var l: std.ArrayList(Users.User) = std.ArrayList(Users.User).init(alloc);
var l: std.ArrayList(User) = std.ArrayList(User).init(alloc);
if (users.list(&l)) {} else |_| {
return;
}
if (zap.stringifyArrayList(Users.User, &l, .{})) |maybe_json| {
if (zap.stringifyArrayList(User, &l, .{})) |maybe_json| {
if (maybe_json) |json| {
_ = r.sendJson(json);
}
@ -87,12 +88,21 @@ fn listUsers(e: *zap.SimpleEndpoint, r: zap.SimpleRequest) void {
fn postUser(e: *zap.SimpleEndpoint, r: zap.SimpleRequest) void {
_ = e;
if (r.path) |path| {
if (userIdFromPath(path)) |id| {
if (users.get(id)) |user| {
if (zap.stringify(user, .{})) |json| {
if (r.body) |body| {
var stream = std.json.TokenStream.init(body);
var maybe_user: ?User = std.json.parse(
User,
&stream,
.{ .allocator = alloc },
) catch null;
if (maybe_user) |u| {
defer std.json.parseFree(User, u, .{ .allocator = alloc });
if (users.addByName(u.first_name, u.last_name)) |id| {
if (zap.stringify(.{ .status = "OK", .id = id }, .{})) |json| {
_ = r.sendJson(json);
}
} else |_| {
return;
}
}
}

119
examples/endpoints/html/index.html
View file

@ -1,7 +1,120 @@
<html lang='en'>
<head>
<meta charset='utf-8'>
<meta name='viewport' content='width=device-width'>
<title>NIM Sensor Sync</title>
<style>
body {background-color: #0d1117; }
h1 {color: #cdb4db; text-align: center;}
h2 {color: #ffafcc; text-align: center;}
h3 {color: #ffc8dd; text-align: center; text-decoration: underline;}
.brighter {color: #bde0fe;}
p {color: #ffc927; padding-left: 50px; margin-right: 50px;}
label {color: #B0B0B0;}
a {color: #ffc927; padding-left:15px;}
input {color: #B06060; margin-bottom: 20px; font-weight: bold; }
textarea {
background-color:#181818;
color: #cdb4db;
font-family:Consolas,Monaco,Lucida Console,Liberation Mono,DejaVu Sans Mono,Bitstream Vera Sans Mono,Courier New, monospace;
font-size: 1em;
border-radius: 12px;
border: 2px solid #cdb4db;
padding: 15px;
margin-top: 10px;
}
button {
background-color: #ffafcc;
border-radius: 12px;
border: 2px solid #cdb4db;
padding-left: 20px;
padding-right: 20px;
padding-top: 5px;
padding-bottom: 5px;
}
.center {
display: flex;
justify-content: center;
}
</style>
<html>
<body>
<p><a href="/user/1">Show example user 1</a></p>
<p><a href="/user/2">Show example user 2</a></p>
<p><a href="/list">Show ALL users</a></p>
<div class="center">
<p><a href="/user/1">Show example user 1</a></p>
<p><a href="/user/2">Show example user 2</a></p>
<p><a href="/list">Show ALL users</a></p>
</div>
<form style="text-align:center">
<div>
<label>First name:</label><br>
<input id="first_name"></input>
</div>
<div>
<label>Last name:</label><br>
<input id="last_name"></input>
</div>
<div class="center">
<button type="button" onclick="onNewUser();">Add new user!</button>
</div>
</form>
<div style="padding:20px; margin-top: 1rem;">
<label style="margin-bottom: 10px;">Log Output:</label>
<a id="logtoggler" onclick="toggleLog();" href="#">(hide)</a>
<div class="center">
<textarea id="log" style="width:80%; height: 18rem; display:block;"></textarea>
</div>
</div>
<script>
var eL = document.getElementById("log");
var eLt = document.getElementById("logtoggler");
var showLog = true;
function toggleLog() {
if(showLog) {
eL.style.display = "none";
eLt.textContent = "(show)";
} else {
eL.style.display = "block";
eLt.textContent = "(hide)";
}
showLog = !showLog;
}
function log(s) {
eL.value += s.toString();
eL.value += "\n"
eL.scrollTop = eL.scrollHeight;
}
function sendJSON(data, slug) {
json = JSON.stringify(data);
log("SENDING: " + json);
const response = fetch(slug, {
method: "POST",
body: json,
headers: {
"Content-Type": "application/json; charset=UTF-8"
}
});
return response;
}
function onNewUser() {
var first_name = document.getElementById("first_name").value;
var last_name = document.getElementById("last_name").value;
data = {
first_name: first_name,
last_name: last_name,
}
sendJSON(data, "/user")
.then((response) => response.json())
.then((data) => {
log("SUCESS: " + JSON.stringify(data));
})
.catch((error) => {
log("Error posting data");
});}
</script>
</body>
</html>

4
src/util.zig
View file

@ -3,7 +3,9 @@ const std = @import("std");
//
// JSON helpers
//
var jsonbuf: [100 * 1024]u8 = undefined;
// 1MB JSON buffer
var jsonbuf: [1024 * 1024]u8 = undefined;
pub fn stringify(value: anytype, options: std.json.StringifyOptions) ?[]const u8 {
var fba = std.heap.FixedBufferAllocator.init(&jsonbuf);

24
src/zap.zig
View file

@ -99,18 +99,18 @@ pub const SimpleRequest = struct {
// C.fiobj_free(new_fiobj_str);
}
// pub fn nextParam(self: *const Self) ?HttpParam {
// if (self.h.*.params == 0) return null;
// var key: C.FIOBJ = undefined;
// const value = C.fiobj_hash_pop(self.h.*.params, &key);
// if (value == C.FIOBJ_INVALID) {
// return null;
// }
// return HttpParam{
// .key = fio2str(key).?,
// .value = fio2str(value).?,
// };
// }
pub fn nextParam(self: *const Self) ?HttpParam {
if (self.h.*.params == 0) return null;
var key: C.FIOBJ = undefined;
const value = C.fiobj_hash_pop(self.h.*.params, &key);
if (value == C.FIOBJ_INVALID) {
return null;
}
return HttpParam{
.key = fio2str(key).?,
.value = fio2str(value).?,
};
}
};
pub const HttpRequestFn = *const fn (r: [*c]C.http_s) callconv(.C) void;