pfunc-rest-api-example/index.html at master · ajb413/pfunc-rest-api-example · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
<!DOCTYPE html>
<html>

<head>
    <title>REST API Examples</title>
</head>

<body>
    <input type="radio" name="selection" value="html_get">
    <label for="html_get">GET HTML Response</label>
    <br>
    <input type="radio" name="selection" value="get_account">
    <label for="get_account">GET Account id: 1</label>
    <br>
    <input type="radio" name="selection" value="post_account">
    <label for="post_account">POST Account id: 1</label>
    <br>
    <input type="radio" name="selection" value="put_account">
    <label for="put_account">PUT Account id: 1, update user_name property</label>
    <br>
    <input type="radio" name="selection" value="delete_account">
    <label for="delete_account">DELETE Account id: 1</label>
    <br>
    <input type="radio" name="selection" value="get_counter">
    <label for="get_counter">GET counter id: c1</label>
    <br>
    <input type="radio" name="selection" value="inc_counter">
    <label for="inc_counter">GET increment counter id: c1</label>
    <br>
    <input type="radio" name="selection" value="cat">
    <label for="cat">GET a random cat picture</label>
    <br>
    <input type="radio" name="selection" value="get_200">
    <label for="get_200">GET 200</label>
    <br>
    <input id="sendRequest" type="submit" value="Send Request">
    <br>
    <br>
    <b><label>REQUEST:</label></b>
    <p id="request"></p>
    <br>
    <br>
    <b><label>RESPONSE:</label></b>
    <p id="response"></p>
</body>

<script type="text/javascript">

// Use the COPY URL button in the PubNub Functions editor to get this URL
const pfuncURL = '__YOUR_API_URL_HERE__';

/**
 * Make an HTTP request wrapped in an ES6 Promise.
 *
 * @param {String} url URL of the resource that is being requested.
 * @param {Object} options JSON Object with HTTP request options, "header"
 *     Object of possible headers to set, and a body Object of a request body.
 *
 * @return {Promise} Resolves a parsed JSON Object or String response text if
 *     the response code is in the 200 range. Rejects with response status text
 *     when the response code is outside of the 200 range.
 */
function request(url, method, options) {
  return new Promise((resolve, reject) => {
    const xhr = new XMLHttpRequest();
    let contentTypeIsSet = false;
    options = options || {};

    xhr.open(method, url);

    for (let header in options.headers) {
      if ({}.hasOwnProperty.call(options.headers, header)) {
        header = header.toLowerCase();
        contentTypeIsSet = header === 'content-type' ? true : contentTypeIsSet;
        xhr.setRequestHeader(header, options.headers[header]);
      }
    }

    if (!contentTypeIsSet) {
        xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
    }

    xhr.onload = function() {
      if (xhr.status >= 200 && xhr.status < 300 ) {
        let response;

        try {
          response = JSON.parse(xhr.response);
        } catch (e) {
          response = xhr.response;
        }

        resolve(response);
      } else {
        reject({
            status: xhr.status,
            statusText: xhr.statusText,
        });
      }
    };

    xhr.send(JSON.stringify(options.body));
  });
}

function getCheckedValue(groupName) {
    let radios = document.getElementsByName(groupName);
    for (let i = 0; i < radios.length; i++ ) {
        if (radios[i].checked) {
            return radios[i].value;
        }
    }
    return null;
}

function response(res) {
    let text;
    try {
        text = JSON.stringify(res);
    } catch (e) {
        text = res;
    }
    responseDisplay.textContent = text;
}

let submit = document.getElementById('sendRequest');
let requestDisplay = document.getElementById('request');
let responseDisplay = document.getElementById('response');

submit.addEventListener("click", function() {
    let value = getCheckedValue("selection");

    switch(value) {
        case "html_get":
            var url = pfuncURL + '?route=index';
            requestDisplay.innerHTML = url;
            request(url, 'GET').then(response);
            break;


        case "get_account":
            var url = pfuncURL + '?route=account&id=1';
            requestDisplay.innerHTML = url;
            request(url, 'GET').then(response);
            break;


        case "post_account":
            var url = pfuncURL + '?route=account';
            var body = {
              "id": 1,
              "account_data": {
                "user_name": "Bob",
                "money": 7
              }
            };
            requestDisplay.innerHTML = url + '<br><br>' + JSON.stringify(body);
            request(url, 'POST', { body }).then(response);
            break;


        case "put_account":
            var url = pfuncURL + '?route=account';
            var body = {
              "id": 1,
              "user_name": "Tom"
            };
            requestDisplay.innerHTML = url + '<br><br>' + JSON.stringify(body);
            request(url, 'PUT', { body }).then(response);
            break;


        case "delete_account":
            var url = pfuncURL + '?route=account&id=1';
            requestDisplay.innerHTML = url;
            request(url, 'DELETE').then(response);
            break;


        case "get_counter":
            var url = pfuncURL + '?route=counter&id=c1';
            requestDisplay.innerHTML = url;
            request(url, 'GET').then(response);
            break;


        case "inc_counter":
            var url = pfuncURL + '?route=counter&id=c1&increment=true';
            requestDisplay.innerHTML = url;
            request(url, 'GET').then(response);
            break;


        case "cat":
            var url = pfuncURL + '?route=kitty';
            window.location.assign(url);
            break;


        case "get_200":
            var url = pfuncURL;
            requestDisplay.innerHTML = url;
            request(url, 'GET').then(response);
            break;
    }
});
</script>

</html>