1 | <?php |
||
6 | class export { |
||
7 | |||
8 | public static $version = 'v0.0.3'; |
||
9 | public static $help = <<<EOD |
||
10 | <!DOCTYPE html> |
||
11 | <html> |
||
12 | <body> |
||
13 | <H1> |
||
14 | NRC Recommendation Provider API |
||
15 | <sub style="font-size: 0.5em">::version::</sub> |
||
16 | </H1> |
||
17 | <p> |
||
18 | This API provides the means by which recommendation services can collect |
||
19 | GCConnex data. A private key is required to access this service. |
||
20 | </p> |
||
21 | <H3>Endpoints</H3> |
||
22 | <ul> |
||
23 | <li> |
||
24 | <h4>/missions/api/v0/export[/guid]</h4> |
||
25 | <p> |
||
26 | Used to export any entity. If a guid is provided, only that entity |
||
27 | is returned. |
||
28 | </p> |
||
29 | Examples: |
||
30 | <ul> |
||
31 | <li>/missions/api/v0/export</li> |
||
32 | <li>/missions/api/v0/export/205</li> |
||
33 | <li>/missions/api/v0/export/42922688</li> |
||
34 | <li>/missions/api/v0/export?since=1539475200&limit=2</li> |
||
35 | </ul> |
||
36 | </li> |
||
37 | <li> |
||
38 | <h4>/missions/api/v0/user[/guid]</h4> |
||
39 | <p> |
||
40 | Used to export users. If a guid is provided, only that user is |
||
41 | returned. |
||
42 | </p> |
||
43 | Examples: |
||
44 | <ul> |
||
45 | <li>/missions/api/v0/user</li> |
||
46 | <li>/missions/api/v0/user/205</li> |
||
47 | <li>/missions/api/v0/user?since=1539475200</li> |
||
48 | </ul> |
||
49 | </li> |
||
50 | <li> |
||
51 | <h4> |
||
52 | /missions/api/v0/object[/guid]<br> |
||
53 | /missions/api/v0/object/subtype[/guid] |
||
54 | </h4> |
||
55 | <p> |
||
56 | Used to export objects. If a guid is provided, only that object is |
||
57 | returned. A subtype can also be specified. |
||
58 | </p> |
||
59 | Examples: |
||
60 | <ul> |
||
61 | <li>/missions/api/v0/object</li> |
||
62 | <li>/missions/api/v0/object/42922688</li> |
||
63 | <li>/missions/api/v0/object?since=1539475200&limit=1</li> |
||
64 | <li>/missions/api/v0/object/widget?since=1539475200</li> |
||
65 | </ul> |
||
66 | </li> |
||
67 | </ul> |
||
68 | <H3>Query parameters</H3> |
||
69 | <p>Parameters can be used to perform more complex queries.</p> |
||
70 | <table> |
||
71 | <thead> |
||
72 | <tr> |
||
73 | <th>Parameter</th> |
||
74 | <th>Description</th> |
||
75 | </tr> |
||
76 | </thead> |
||
77 | <tbody> |
||
78 | <tr> |
||
79 | <td>before</td> |
||
80 | <td> |
||
81 | Fetch entities that have been modified before the specified time. |
||
82 | Expects a unix timetamp. |
||
83 | </td> |
||
84 | </tr> |
||
85 | <tr> |
||
86 | <td>since</td> |
||
87 | <td> |
||
88 | Fetch entities that have been modified after the specified time. |
||
89 | Expects a unix timetamp. |
||
90 | </td> |
||
91 | </tr> |
||
92 | <tr> |
||
93 | <td>limit</td> |
||
94 | <td> |
||
95 | Limits the number of returned entities. Expects an positive |
||
96 | integer. |
||
97 | </td> |
||
98 | </tr> |
||
99 | <tr> |
||
100 | <td>resume</td> |
||
101 | <td> |
||
102 | Resume starting at the specified GUID. Expects a valid GUID. |
||
103 | </td> |
||
104 | </tr> |
||
105 | <tr> |
||
106 | <td>sort</td> |
||
107 | <td> |
||
108 | If specified sorts returned entities by created time - By default |
||
109 | rows are returned in natural order without any sorting guarantees. |
||
110 | This parameter doesn't take any value, its presence enables |
||
111 | sorting. |
||
112 | </td> |
||
113 | </tr> |
||
114 | <tr> |
||
115 | <td>omit</td> |
||
116 | <td> |
||
117 | List of GUIDs to omit from the results. Useful to omit large |
||
118 | objects we know we are not interested in. For example GUID "1". |
||
119 | Takes a comma separated list of GUIDs. |
||
120 | </td> |
||
121 | </tr> |
||
122 | <tr> |
||
123 | <td>version<strong>*<strong></td> |
||
124 | <td> |
||
125 | Returns the API version as a JSON object and exits. No query is |
||
126 | performed regardless of other parameters. |
||
127 | </td> |
||
128 | </tr> |
||
129 | <tr> |
||
130 | <td>help<strong>*<strong></td> |
||
131 | <td> |
||
132 | Returns the API help text as an HTML page and exits. No query is |
||
133 | performed regardless of other parameters. |
||
134 | </td> |
||
135 | </tr> |
||
136 | </table> |
||
137 | <small><strong>*<strong> These parameters do not require a private key</small> |
||
138 | <H3>Returns</H3> |
||
139 | Successful queries return JSON objects like this: |
||
140 | <pre> |
||
141 | { |
||
142 | "query": { |
||
143 | "object_type": "export", // type of export |
||
144 | "api_version": "v0.0.3", // current API version |
||
145 | "subtype": false, // requested subtype, if specified |
||
146 | "guid": null, // requested GUID, if specified |
||
147 | "since": "1539475200", // "since" parameter, if specified |
||
148 | "before": null, // "before" parameter, if specified |
||
149 | "limit": null, // "limit" parameter, if specified |
||
150 | "request_time": 1546958611, // server's current unix timestamp |
||
151 | "count": 14 // Total number of matched entities |
||
152 | }, |
||
153 | "export": [ ... ] // Array of requested entities |
||
154 | } |
||
155 | </pre> |
||
156 | </body> |
||
157 | </html> |
||
158 | EOD; |
||
159 | |||
160 | private $object_type = false; |
||
161 | private $subtype = false; |
||
162 | private $guid = null; |
||
163 | private $since = null; |
||
164 | private $before = null; |
||
165 | private $limit = null; |
||
166 | private $omit = null; |
||
167 | |||
168 | static function getHelp() { |
||
171 | |||
172 | function __construct($object_type, $subtype = false, $guid = null, |
||
188 | |||
189 | /** |
||
190 | * Stream the export results using JSON format |
||
191 | */ |
||
192 | function outputJSON() { |
||
233 | } |
||
234 | ?> |
||
235 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: