3 * Copyright 2016 RIFT.IO Inc
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
21 import _cloneDeep
from 'lodash/cloneDeep';
22 import _isArray
from 'lodash/isArray';
23 import _map
from 'lodash/map';
24 import _flatten
from 'lodash/flatten';
25 import _find
from 'lodash/find';
26 import _toNumber
from 'lodash/toNumber';
27 import _isNumber
from 'lodash/isNumber';
28 import _clone
from 'lodash/clone';
31 addAuthorizationStub(xhr
) {
32 xhr
.setRequestHeader('Authorization', 'Basic YWRtaW46YWRtaW4=');
34 getSearchParams(url
) {
35 var a
= document
.createElement('a');
38 var items
= a
.search
.replace('?', '').split('&');
39 for (var i
= 0; i
< items
.length
; i
++) {
40 if (items
[i
].length
> 0) {
41 var key_value
= items
[i
].split('=');
42 params
[key_value
[0]] = decodeURIComponent(key_value
[1]);
47 parseJSONIgnoreErrors(txt
) {
49 return JSON
.parse(txt
);
54 resolvePath(obj
, path
) {
55 // supports a.b, a[1] and foo[bar], etc.
56 // where obj is ['nope', 'yes', {a: {b: 1}, foo: 2}]
57 // then [1] returns 'yes'; [2].a.b returns 1; [2].a[foo] returns 2;
58 path
= path
.split(/[\.\[\]]/).filter(d
=> d
);
59 return path
.reduce((r
, p
) => {
65 assignPathValue(obj
, path
, value
) {
66 path
= path
.split(/[\.\[\]]/).filter(d
=> d
);
67 // enable look-ahead to determine if type is array or object
68 const pathCopy
= path
.slice();
69 // last item in path used to assign value on the resolved object
70 const name
= path
.pop();
71 const resolvedObj
= path
.reduce((r
, p
, i
) => {
72 if (typeof(r
[p
]) !== 'object') {
73 // look-ahead to see if next path item is a number
74 const isArray
= !isNaN(parseInt(pathCopy
[i
+ 1], 10));
75 r
[p
] = isArray
? [] : {}
79 resolvedObj
[name
] = value
;
81 updatePathValue(obj
, path
, value
, isCase
) {
82 // todo: replace implementation of assignPathValue with this impl and
83 // remove updatePathValue (only need one function, not both)
84 // same as assignPathValue except removes property if value is undefined
85 path
= path
.split(/[\.\[\]]/).filter(d
=> d
);
86 const isRemove
= typeof value
=== 'undefined';
87 // enable look-ahead to determine if type is array or object
88 const pathCopy
= path
.slice();
89 // last item in path used to assign value on the resolved object
90 const name
= path
.pop();
91 const resolvedObj
= path
.reduce((r
, p
, i
) => {
92 // look-ahead to see if next path item is a number
93 const index
= parseInt(pathCopy
[i
+ 1], 10);
94 const isArray
= !isNaN(index
);
95 if (typeof(r
[p
]) !== 'object') {
96 r
[p
] = isArray
? [] : {}
98 if (isRemove
&& ((i
+ 1) === path
.length
)) {
100 r
[p
] = r
[p
].filter((d
, i
) => i
!== index
);
117 resolvedObj
[name
] = value
;
120 removePathValue(obj
, path
, isCase
) {
121 // note updatePathValue removes value if third argument is undefined
122 return this.updatePathValue(obj
, path
, undefined, isCase
);
125 suffixAsInteger
: (field
) => {
127 const str
= String(obj
[field
]);
128 const value
= str
.replace(str
.replace(/[\d]+$/, ''), '');
129 return 1 + parseInt(value
, 10) || 0;
133 toBiggestValue
: (maxIndex
, curIndex
) => Math
.max(maxIndex
, curIndex
),
135 isRelativePath (path
) {
136 if (path
.split('/')[0] == '..') {
142 getResults (topLevelObject
, pathArray
) {
143 let objectCopy
= _cloneDeep(topLevelObject
);
144 let i
= pathArray
.length
;
147 while(pathArray
[pathArray
.length
- i
]) {
148 if (_isArray(objectCopy
[pathArray
[pathArray
.length
- i
]])) {
150 results
= _map(objectCopy
[pathArray
[pathArray
.length
- i
]], pathArray
[pathArray
.length
- 1]);
152 objectCopy
= objectCopy
[pathArray
[pathArray
.length
- i
]];
154 } else if (_isArray(objectCopy
)) {
155 objectCopy
.map((object
) => {
156 if (_isArray(object
[pathArray
[pathArray
.length
- i
]])) {
158 results
= results
.concat(_map(object
[pathArray
[pathArray
.length
- i
]], pathArray
[pathArray
.length
- 1]));
169 getAbsoluteResults (topLevelObject
, pathArray
) {
170 let i
= pathArray
.length
;
171 let objectCopy
= _cloneDeep(topLevelObject
);
174 let fragment
= pathArray
[pathArray
.length
- i
]
179 if (_isArray(objectCopy
)) {
180 // results will be obtained from a map
181 results
= _map(objectCopy
, fragment
);
184 if (fragment
.match(/\[.*\]/g)) {
185 // contains a predicate
186 // shouldn't reach here
187 console
.log('Something went wrong while resolving a leafref. Reached a leaf with predicate.');
189 // contains no predicate
190 results
.push(objectCopy
[fragment
]);
194 if (_isArray(objectCopy
)) {
196 objectCopy
= _map(objectCopy
, fragment
);
198 // If any of the deeper object is an array, flatten the entire list.
199 // This would usually be a bad leafref going out of its scope.
201 for (let i
= 0; i
< objectCopy
.length
; i
++) {
202 if (_isArray(objectCopy
[i
])) {
203 objectCopy
= _flatten(objectCopy
);
204 console
.log('This might be a bad leafref. Verify with backend team.')
210 if (fragment
.match(/\[.*\]/g)) {
211 // contains a predicate
212 let predicateStr
= fragment
.match(/\[.*\]/g)[0];
213 // Clip leading [ and trailing ]
214 predicateStr
= predicateStr
.substr(1, predicateStr
.length
- 2);
215 const predicateKeyValue
= predicateStr
.split('=');
216 const predicateKey
= predicateKeyValue
[0];
217 const predicateValue
= predicateKeyValue
[1];
218 // get key for object to search into
219 let key
= fragment
.split('[')[0];
220 let searchObject
= {};
221 searchObject
[predicateKey
] = predicateValue
;
222 let found
= _find(objectCopy
[key
], searchObject
);
226 // check for numerical value
227 if (predicateValue
!= "" &&
228 predicateValue
!= null &&
229 predicateValue
!= NaN
&&
230 predicateValue
!= Infinity
&&
231 predicateValue
!= -Infinity
) {
232 let numericalPredicateValue
= _toNumber(predicateValue
);
233 if (_isNumber(numericalPredicateValue
)) {
234 searchObject
[predicateKey
] = numericalPredicateValue
;
235 found
= _find(objectCopy
[key
], searchObject
);
245 // contains no predicate
246 objectCopy
= objectCopy
[fragment
];
255 fragment
= pathArray
[pathArray
.length
- i
];
261 resolveCurrentPredicate (leafRefPath
, container
, pathCopy
) {
262 if (leafRefPath
.indexOf('current()') != -1) {
265 // Get the relative path from current
266 let relativePath
= leafRefPath
.match("current\\(\\)\/(.*)\]");
267 let relativePathArray
= relativePath
[1].split('/');
269 while (relativePathArray
[0] == '..') {
271 relativePathArray
.shift();
274 // Supports only one relative path up
275 // To support deeper paths, will need to massage the string more
276 // i.e. change '/'' to '.'
277 const searchPath
= pathCopy
.join('.').concat('.', relativePathArray
[0]);
278 const searchValue
= this.resolvePath(container
.model
, searchPath
);
280 const predicateStr
= leafRefPath
.match("(current.*)\]")[1];
281 leafRefPath
= leafRefPath
.replace(predicateStr
, searchValue
);
286 cleanupFieldKeyArray (fieldKeyArray
) {
287 fieldKeyArray
.map((fieldKey
, fieldKeyIndex
) => {
288 fieldKeyArray
[fieldKeyIndex
] = fieldKey
.replace(/.*\/(.*)/, '$1');
290 return fieldKeyArray
;
293 resolveLeafRefPath (catalogs
, leafRefPath
, fieldKey
, path
, container
) {
294 let pathCopy
= _clone(path
);
295 // Strip any prefixes
296 let leafRefPathCopy
= leafRefPath
.replace(/[\w\d]*:/g, '');
298 leafRefPathCopy
= leafRefPathCopy
.replace(/\s/g, '');
300 // resolve any current paths
301 leafRefPathCopy
= this.resolveCurrentPredicate(leafRefPathCopy
, container
, pathCopy
);
303 // Split on delimiter (/)
304 const pathArray
= leafRefPathCopy
.split('/');
306 let fieldKeyArray
= fieldKey
.split(':');
308 // strip prepending qualifiers from fieldKeys
309 fieldKeyArray
= this.cleanupFieldKeyArray(fieldKeyArray
);
312 // Check if relative path or not
313 // TODO: Below works but
314 // better to convert the pathCopy to absolute/rooted path
315 // and use the absolute module instead
316 if (this.isRelativePath(leafRefPathCopy
)) {
317 let i
= pathArray
.length
;
318 while ((pathArray
[pathArray
.length
- i
] == '..') && fieldKeyArray
.length
> 1) {
319 fieldKeyArray
.splice(-1, 1);
320 if (!isNaN(Number(fieldKeyArray
[fieldKeyArray
.length
- 1]))) {
321 // found a number, so an index. strip it
322 fieldKeyArray
.splice(-1, 1);
327 // traversed all .. - now traverse down
328 if (fieldKeyArray
.length
== 1) {
329 for (let key
in catalogs
) {
330 for (let subKey
in catalogs
[key
]) {
331 let found
= _find(catalogs
[key
][subKey
], {id
: fieldKeyArray
[0]});
333 results
= this.getAbsoluteResults(found
, pathArray
.splice(-i
, i
));
338 } else if (fieldKeyArray
.length
== 2) {
339 for (let key
in catalogs
) {
340 for (let subKey
in catalogs
[key
]) {
341 console
.log(key
, subKey
);
342 var found
= _find(catalogs
[key
][subKey
], {id
: fieldKeyArray
[0]});
344 for (let foundKey
in found
) {
345 if (_isArray(found
[foundKey
])) {
346 let topLevel
= _find(found
[foundKey
], {id
: fieldKeyArray
[1]});
348 results
= this.getAbsoluteResults(topLevel
, pathArray
.splice(-i
, i
));
352 if (foundKey
== fieldKeyArray
[1]) {
353 results
= this.getAbsoluteResults(found
[foundKey
], pathArray
.splice(-i
, i
));
361 } else if (fieldKeyArray
.length
== 3) {
362 for (let key
in catalogs
) {
363 for (let subKey
in catalogs
[key
]) {
364 let found
= _find(catalogs
[key
][subKey
], {id
: fieldKeyArray
[0]});
366 for (let foundKey
in found
) {
367 if (_isArray(found
[foundKey
])) {
368 let topLevel
= _find(found
[foundKey
], {id
: fieldKeyArray
[1]});
370 results
= this.getAbsoluteResults(topLevel
, pathArray
.splice(-i
, i
));
374 if (foundKey
== fieldKeyArray
[1]) {
375 results
= this.getAbsoluteResults(found
[foundKey
], pathArray
.splice(-i
, i
));
384 // not supported - too many levels deep ... maybe some day
385 console
.log('The relative path is from a node too many levels deep from root. This is not supported at the time');
389 if (pathArray
[0] == "") {
390 pathArray
.splice(0, 1);
393 let catalogKey
= pathArray
[0];
394 let topLevelObject
= {};
396 topLevelObject
[catalogKey
] = catalogs
[catalogKey
];
398 results
= this.getAbsoluteResults(topLevelObject
, pathArray
);