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Merge pull request #6022 from Automattic/5970
handle populating embedded discriminator paths
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| 'use strict'; | ||
|
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| /*! | ||
| * ignore | ||
| */ | ||
|
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| var Mixed = require('../../schema/mixed'); | ||
| var mpath = require('mpath'); | ||
|
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| /*! | ||
| * @param {Schema} schema | ||
| * @param {Object} doc POJO | ||
| * @param {string} path | ||
| */ | ||
|
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| module.exports = function getSchemaTypes(schema, doc, path) { | ||
| var pathschema = schema.path(path); | ||
|
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| if (pathschema) { | ||
| return pathschema; | ||
| } | ||
|
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| function search(parts, schema) { | ||
| var p = parts.length + 1; | ||
| var foundschema; | ||
| var trypath; | ||
|
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| while (p--) { | ||
| trypath = parts.slice(0, p).join('.'); | ||
| foundschema = schema.path(trypath); | ||
| if (foundschema) { | ||
| if (foundschema.caster) { | ||
| // array of Mixed? | ||
| if (foundschema.caster instanceof Mixed) { | ||
| return foundschema.caster; | ||
| } | ||
|
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| var schemas = null; | ||
| if (doc != null && foundschema.schema != null && foundschema.schema.discriminators != null) { | ||
| var discriminators = foundschema.schema.discriminators; | ||
| var keys = mpath.get(trypath + '.' + foundschema.schema.options.discriminatorKey, | ||
| doc); | ||
| schemas = Object.keys(discriminators). | ||
| reduce(function(cur, discriminator) { | ||
| if (keys.indexOf(discriminator) !== -1) { | ||
| cur.push(discriminators[discriminator]); | ||
| } | ||
| return cur; | ||
| }, []); | ||
| } | ||
|
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| // Now that we found the array, we need to check if there | ||
| // are remaining document paths to look up for casting. | ||
| // Also we need to handle array.$.path since schema.path | ||
| // doesn't work for that. | ||
| // If there is no foundschema.schema we are dealing with | ||
| // a path like array.$ | ||
| if (p !== parts.length && foundschema.schema) { | ||
| var ret; | ||
| if (parts[p] === '$') { | ||
| if (p + 1 === parts.length) { | ||
| // comments.$ | ||
| return foundschema; | ||
| } | ||
| // comments.$.comments.$.title | ||
| ret = search(parts.slice(p + 1), schema); | ||
| if (ret) { | ||
| ret.$isUnderneathDocArray = ret.$isUnderneathDocArray || | ||
| !foundschema.schema.$isSingleNested; | ||
| } | ||
| return ret; | ||
| } | ||
|
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| if (schemas != null && schemas.length > 0) { | ||
| ret = []; | ||
| for (var i = 0; i < schemas.length; ++i) { | ||
| var _ret = search(parts.slice(p), schemas[i]); | ||
| if (_ret != null) { | ||
| _ret.$isUnderneathDocArray = _ret.$isUnderneathDocArray || | ||
| !foundschema.schema.$isSingleNested; | ||
| if (_ret.$isUnderneathDocArray) { | ||
| ret.$isUnderneathDocArray = true; | ||
| } | ||
| ret.push(_ret); | ||
| } | ||
| } | ||
| return ret; | ||
| } else { | ||
| ret = search(parts.slice(p), foundschema.schema); | ||
|
|
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| if (ret) { | ||
| ret.$isUnderneathDocArray = ret.$isUnderneathDocArray || | ||
| !foundschema.schema.$isSingleNested; | ||
| } | ||
|
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||
| return ret; | ||
| } | ||
| } | ||
| } | ||
|
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| return foundschema; | ||
| } | ||
| } | ||
| } | ||
|
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| // look for arrays | ||
| var parts = path.split('.'); | ||
| for (var i = 0; i < parts.length; ++i) { | ||
| if (parts[i] === '$') { | ||
| // Re: gh-5628, because `schema.path()` doesn't take $ into account. | ||
| parts[i] = '0'; | ||
| } | ||
| } | ||
| return search(parts, schema); | ||
| }; |
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