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// Copyright 2015-2016 Eduworks Corporation and other contributing parties.
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

schema=#httpGet(obj="@typeUrl").catch(any=#object()).cache(global="true",name=#add(z="@typeUrl",a="httpGet",_string="true")).toObject();
schemaContext=schema.cgetByParam(param=#add(a="@",b="context",_string="true"));

type=#add(a="@",b="type",_string="true");
context=#add(a="@",b="context",_string="true");
protect=#add(a="@",b="protect",_string="true");

obj=#toObject(obj="@obj");

urlType=#add(
	_string="true",
	a=obj.getByParam(param=context).string(op="trim",chars="/"),
	b=#if(operator=obj.getByParam(param=context),operand="",ne="/"),
	c=obj.getByParam(param=type).replace(replace=obj.getByParam(param=context),with="").string(op="trim",chars="/")
);
#skyrepoUrlType=urlType;

mapUrl=#add(
	_string="true",
	a=#urlBase(),
	b="/",
	c=#inferTypeFromObj().toLower(),
	d="/_mapping",
	e="/",
	f=#inferTypeFromObj()
);

map=#add(
	_string="true",
	a=#urlBase(),
	d="/_mapping"
).httpGet().toObject().cache(global="true",name="elasticMapping");

#elasticMapping = map;

properties=map.getByParam(param=#toLower(obj="@type")).get(mappings="").getByParam(param="@type").get(properties="");

//Make sure to check before not having a thing.
properties=#if(
	operator=properties,
	operand="",
	eq=#object(
		d=#cache(global="true",remove="true",name="elasticSettings"),
		e=#cache(global="true",remove="true",name="elasticMapping"),
		z=properties
	).get(z=""),
	ne=properties
);

settingsUrl = #add(
	_string="true",
	a=#urlBase(),
	c="/_settings",
);

settings = settingsUrl.httpGet().toObject().cache(global="true",name="elasticSettings");

#elasticSettings=settings;

noSearchList=#object(
	a="base64:base64"
).valueSet();

//Iterate over each field about to go into the document.
//	If the mapping has the field already, skip.
//	If the prefix.@type == null, skip.
//	If the schema of the @type of the field (at the appropriate nesting level) is base64:base64, add a mapping to not index the field.
// ---------------------

prefix=#split(obj="@field",split=".").remove(index=#split(obj="@field",split=".").count().add(z="-1")).flatten(_delimiter=".");
simpleType=#split(obj="@field",split=".").cgetIndex(index=#split(obj="@field",split=".").count().add(z="-1"));

getCurrentMapping=properties.toDotNotationObject().forEach(
	paramName="k",
	valueName="v",
	threaded="false",
	op=#if(
		operator=#startsWith(
			obj="@k",
			with=#add(_string="true",
				a="@typePrefix",
				b="@field"
			)
		),
		operand="true",
		eq="@v"
	)
);

prefixType=#if(
	operator=prefix,
	operand="",
	eq=urlType,
	ne=#add(
		_string="true",
		a=obj.getByParam(param=prefix.add(z=".@context")).string(op="trim",chars="/"),
		b=#if(operator=obj.getByParam(param=prefix.add(z=".@context")),operand="",ne="/"),
		c=obj.getByParam(param=prefix.add(z=".@type")).string(op="trim",chars="/")
	)
);

addMappingNoSearch=#object(
	properties=#object(
	).put(
		_key="@field",
		_value=#object(
			type="text",
			index=#false()
		)
	)
).httpPost(url=mapUrl,contentType="application/json",multipart="false");

//Invalidate cache.
addMappingNoSearch=#object(
	a=addMappingNoSearch,
	d=#cache(global="true",remove="true",name="elasticSettings"),
	e=#cache(global="true",remove="true",name="elasticMapping")
);

addWhiteSpaceRemovalMapping = #object(
	properties=getCurrentMapping.put(
		_key=#add(_string="true",a="@typePrefix",c="@field",d=".analyzer"),
		_value="whitespace_remove"
	).put(
		_key=#add(_string="true",a="@typePrefix",c="@field",d=".type"),
		_value="text"
	).fromDotNotationObject()
).httpPost(url=mapUrl,contentType="application/json",multipart="false");

//Invalidate cache.
addWhiteSpaceRemovalMapping=#object(
	a=addWhiteSpaceRemovalMapping,
	d=#cache(global="true",remove="true",name="elasticSettings"),
	e=#cache(global="true",remove="true",name="elasticMapping")
);

addWhiteSpaceRemovalMapping=#if(
	operator=getCurrentMapping.getByParam(param=#add(a="@typePrefix",c="@field",d=".analyzer")),
	operand="whitespace_remove",
	ne=addWhiteSpaceRemovalMapping
);

addNotAnalyzedMultiField = #object(
	properties=getCurrentMapping.put(
		_key=#add(a="@typePrefix",c="@field",d=".fields.(full).type"),
		_value="keyword"
	).put(
		_key=#add(a="@typePrefix",c="@field",d=".fields.(full).index"),
		_value=#true()
	).put(
		_key=#add(a="@typePrefix",c="@field",d=".fields.",e="@field",f=".type"),
		_value="text"
	).put(
		_key=#add(a="@typePrefix",c="@field",d=".fields.",e="@field",f=".index"),
		_value=#true()
	).put(
		_key=#add(a="@typePrefix",c="@field",d=".type"),
		_value="text"
	).fromDotNotationObject()
).httpPost(url=mapUrl,contentType="application/json",multipart="false");

//Invalidate cache.
addNotAnalyzedMultiField=#object(
	a=addNotAnalyzedMultiField,
	d=#cache(global="true",remove="true",name="elasticSettings"),
	e=#cache(global="true",remove="true",name="elasticMapping")
);

addNotAnalyzedMultiField=#if(
	operator=getCurrentMapping.getByParam(param=#add(a="@typePrefix",c="@field",d=".fields.(full).type")),
	operand="keyword",
	ne=addNotAnalyzedMultiField
);

addExcludeFromAllIndex = #object(
	properties=getCurrentMapping.put(
		_key=#add(a="@typePrefix",c="@field",d=".include_in_all"),
		_value="false"
	).put(
		_key=#add(a="@typePrefix",c="@field",d=".type"),
		_value="text"
	).fromDotNotationObject()
).httpPost(url=mapUrl,contentType="application/json",multipart="false");

//Invalidate cache.
addExcludeFromAllIndex=#object(
	a=addExcludeFromAllIndex,
	d=#cache(global="true",remove="true",name="elasticSettings"),
	e=#cache(global="true",remove="true",name="elasticMapping")
);

addExcludeFromAllIndex=#if(
	operator=getCurrentMapping.has(has=#add(a="@typePrefix",c="@field",d=".include_in_all")),
	operand="true",
	ne=addExcludeFromAllIndex
);

iterateOverFields=obj.cforEach(
	paramName="field",
	valueName="value",
	threaded="false",
	op=#if(
		operator=#toArray(obj="@value").getIndex(index="0").toObject(obj="@value").catch(any=#object()).count(),
		operand="0",
		eq=#if(
			operator=#indexOf(str="@field", substr=#add(a="@", b="owner")),
			operand="-1",
			eq=#if(
				operator=#indexOf(str="@field", substr=#add(a="@", b="reader")),
				operand="-1",
				eq=#if(
					operator=prefixType,
					operand="",
					ne=#if(
						operator=noSearchList.has(has=schemaContext.call(typeUrl=prefixType.reduce()).cgetByParam(param=simpleType).cgetByParam(param=type)),
						operand="true",
						eq=addMappingNoSearch,
						ne=#if(operator="@checkType", operand="false",
							ne=#if(
								operator=#indexOf(str="@field", substr=#add(a="@", b="type")),
								operand="-1",
								ne=addNotAnalyzedMultiField,
							)
						),
					),
					eq=#if(operator="@checkType", operand="false",
						ne=#if(
							operator=#indexOf(str="@field", substr=#add(a="@", b="type")),
							operand="-1",
							ne=addNotAnalyzedMultiField,
						)
					)
				),
				ne=addExcludeFromAllIndex,
			),
			ne=addWhiteSpaceRemovalMapping
		),
		ne=#toArray(obj="@value").cforEach(
			paramName="obj",
			threaded="false",
			op=#toObject(obj="@obj").typeIterateOverFields(
				checkType="false",
				typePrefix=#add(a="@typePrefix",a="@field",b=".properties.")
			)
		)
	)
);
#typeIterateOverFields=iterateOverFields;

// Caches whether the type is protected (should be searchable/viewable by non-owners/readers)
// ---------------------
cacheDir = #string(str="./cache");
cacheName = #string(str="skyRepoCache");
cacheIndex = #string(str="skyRepoCache");
cacheKey = #string(str="encryptedTypes");

cacheDb = {
	indexDir = cacheDir,
	databaseName = cacheName,
	index= cacheIndex,
	key=cacheKey
};

cachedProtectedTypes = #idxGet(multi="true", cacheDb);

getProtectedTypes = #object(
	a=#skyRepoPredefinedEncrypted(),
	b=getProtectedTypes,
).valueSet().union();

#skyRepoGetProtectedTypes = getProtectedTypes;

addProtectedType = #if(
	operator="@cacheVal",
	operand="",
	eq=#add(a="[",b="]").toArray(),
	ne=#toArray(obj="@cacheVal")
).ccall(
	cacheVal=#cache(name=cacheKey, global="true")
).append(
	a="@typeUrl"
).idxAdd(
	cacheDb
);

types=obj.getByParam(param=type).toArray().cforEach(
	paramName="type",
	array="true",
	threaded="false",
	op=#if(
		operator=#has(obj="@type",has="http"),
		operand=true,
		eq=urlType,
		ne="@type"
	)
);

cacheSchemaProtect=#if(
	operator=getProtectedTypes.intersect(b=types).count(),
	operand="0",
	gt="true",
	eq=#if(
		operator=#catch(
			try=#httpGet(
				obj="@typeUrl"
			).catch(
				any=#object()
			).cache(
				global="true",name=#add(z="@typeUrl",a="httpGet")
			).toObject().getByParam(param=protect),
			any="false"
		),
		operand="true",
		eq=#object(
			a=addProtectedType,
			b="true"
		).cget(b=""),
		ne="false"
	).ccall(
		typeUrl=types.getIndex(index="0")
	)
);


// Adds the whitespace_remove analyzer that removes whitespace from a field
// ---------------------

addAnalyzer = #object(
	settings=#object(
		analysis=#object(
			filter=#object(
				space_remove=#object(
					type="pattern_replace",
					pattern="\s",
					replacement=""
				)
			),
			analyzer=#object(
				whitespace_remove=#object(
					type="custom",
					tokenizer="keyword",
					filter=#add(a="[",b="]").toArray().append(a="space_remove")
				)
			)
		)
	)
).httpPut(
    contentType="application/json",
	url=#add(
		a=#urlBase(),
		b="/",c=#toLower(obj="@type")
	)
);

//Invalidate cache.
addAnalyzer=#object(
	a=addAnalyzer,
	d=#cache(global="true",remove="true",name="elasticSettings"),
	e=#cache(global="true",remove="true",name="elasticMapping")
);

checkAddAnalyzer = #if(
	operator=#decode(obj="@settings").has(has=#toLower(obj="@type")),
	operand="true",
	eq=#if(
		operator=#decode(obj="@settings").getByParam(param=#toLower(obj="@type")).cget(settings="").cget(index="").cget(analysis="").cget(analyzer="").has(has="whitespace_remove"),
		operand="true",
		ne=addAnalyzer
	),
	ne=addAnalyzer
).ccall(
	settings=settings
);

#addWhitespaceAnalyzer = checkAddAnalyzer;

checkType = #object(
	a=checkAddAnalyzer,
	b=cacheSchemaProtect,
	c=iterateOverFields
);

#skyRepoCheckType=checkType;




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