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* Part of Pleiar.no - a collection of tools for nurses
*
* Copyright (C) Fagforbundet 2019
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// @flow
import lunr from './helper.lunr.js';
import { removeMarkdown } from './helper.markdown.js';
import type {
QuizDataContainer,
DictionaryEntry,
ExternalResourcesEntry,
LabValueEntry,
HandbookDataEntry,
HandbookDataStructure,
LabValueDataStructure,
DictionaryDataStructure,
ExternalResourcesDataStructure,
ToolsListDataStructure,
NutritionDataStructure,
ExternallyIndexedList
} from './types/data';
/**
* A single entry in the search index
*/
export type IndexEntry = {|
id: string,
tittel?: string,
body?: string,
keywords?: string,
url?: string
|};
type LunrObject = typeof lunr;
const PleiarIndexer = {
/**
* Method that performs the actual indexing. This has no data import of its
* own, so you have to supply all of the datastructures yourself.
*/
index (
externalResources: ExternalResourcesDataStructure,
dictionary: DictionaryDataStructure,
labValues: LabValueDataStructure,
handbook: HandbookDataStructure,
tools: ToolsListDataStructure,
nutrition: NutritionDataStructure,
externallyIndexed: ExternallyIndexedList,
quickref: HandbookDataStructure,
quizData: QuizDataContainer,
): LunrObject
{
/*
* Validate parameters
*/
if(externalResources === undefined)
{
throw('Missing parameter to PleiarIndexer.index: externalResources');
}
else if (!Array.isArray(externalResources))
{
throw('Invalid parameter to PleiarIndexer.index: externalResources');
}
if(dictionary === undefined)
{
throw('Missing parameter to PleiarIndexer.index: dictionary');
}
else if (!Array.isArray(dictionary))
{
throw('Invalid parameter to PleiarIndexer.index: dictionary');
}
if(labValues === undefined)
{
throw('Missing parameter to PleiarIndexer.index: labValues');
}
else if(!Array.isArray(labValues.values))
{
throw('Invalid parameter to PleiarIndexer.index: labValues');
}
if(handbook === undefined)
{
throw('Missing parameter to PleiarIndexer.index: handbook');
}
else if(!Array.isArray(handbook.order))
{
throw('Invalid parameter to PleiarIndexer.index: handbook');
}
if(tools === undefined)
{
throw('Missing parameter to PleiarIndexer.index: tools');
}
else if(!Array.isArray(tools))
{
throw('Invalid parameter to PleiarIndexer.index: tools');
}
if(nutrition === undefined)
{
throw('Missing parameter to PleiarIndexer.index: nutrition');
}
else if(nutrition.basicGroups === undefined)
{
throw('Invalid parameter to PleiarIndexer.index: nutrition');
}
if(externallyIndexed === undefined)
{
throw('Missing parameter to PleiarIndexer.index: externallyIndexed');
}
else if(!Array.isArray(externallyIndexed))
{
throw('Invalid parameter to PleiarIndexer.index: externallyIndexed');
}
if(quickref === undefined)
{
throw('Missing parameter to PleiarIndexer.index: quickref');
}
else if(!Array.isArray(quickref.order))
{
throw('Invalid parameter to PleiarIndexer.index: quickref');
}
if(quizData === undefined)
{
throw("Missing parameter to PleiarIndexer.index: quizData");
}
else if(Object.keys(quizData).length === 0)
{
throw("Invalid parameter to PleiarIndexer.index: quizData");
}
const index = lunr( function ()
{
// The title field is most important
this.field('tittel',{
boost: 2.0
});
this.field('body');
// Keywords are not quite as important as title and body
this.field('keywords',{
boost: 0.5
});
// Url is not important at all
this.field('url',{
boost: 0.1
});
// Enable storing of positional metadata in the index
this.metadataWhitelist = ['position'];
// Build the index
PleiarIndexer.constructIndex({
external: externalResources,
dict: dictionary,
labValues: labValues.values,
handbook: handbook,
tools: tools,
nutrition: nutrition,
externallyIndexed: externallyIndexed,
quickref: quickref,
quizData,
indexer: this
});
});
return index;
},
/**
* This constructs the actual index, providing data and title maps
* to `indexFromSource`.
*/
constructIndex (idxData: {|
external: ExternalResourcesDataStructure,
dict: DictionaryDataStructure,
labValues: Array<LabValueEntry>,
handbook: HandbookDataStructure,
tools: ToolsListDataStructure,
nutrition: NutritionDataStructure,
externallyIndexed: ExternallyIndexedList,
quickref: HandbookDataStructure,
indexer: LunrObject,
quizData: QuizDataContainer,
|})
{
/* External resources */
PleiarIndexer.indexFromSource({
source: idxData.external,
indexer: idxData.indexer,
titleField: "title",
descriptionField: "description",
keywordField: "keywords",
urlField: "url",
sourceName: "externalResources"
});
/* Dictionary */
PleiarIndexer.indexFromSource({
source: idxData.dict,
indexer: idxData.indexer,
descriptionMarkdown: true,
titleField: "expression",
descriptionField: "description",
keywordField: "keywords",
alternateKeywords: "seeAlso",
sourceName: "dictionary"
});
/* Lab values */
PleiarIndexer.indexFromSource({
source: idxData.labValues,
indexer: idxData.indexer,
keywordField: "keywords",
titleField: "navn",
sourceName: "labValue",
});
/* Handbook entries */
PleiarIndexer._recursiveLunrIndexFromHandbook(idxData.indexer, idxData.handbook, 'handbook');
/* Tools */
PleiarIndexer._indexFromTools(idxData.indexer, idxData.tools);
/* Nutrition entries */
PleiarIndexer._indexFromNutriData(idxData.indexer, idxData.nutrition);
/* Externally indexed data */
PleiarIndexer._indexFromExternal(idxData.indexer, idxData.externallyIndexed);
/* Quickref entries */
PleiarIndexer._recursiveLunrIndexFromHandbook(idxData.indexer, idxData.quickref, 'quickref');
/* Quickref entries */
PleiarIndexer._indexFromElearn(idxData.indexer, idxData.quizData );
},
/**
* Adds tools to the index
*/
_indexFromTools (idx: LunrObject, tools: ToolsListDataStructure)
{
for(let categoryNO: number = 0; categoryNO < tools.length; categoryNO++)
{
const category = tools[categoryNO];
for(let entryNO: number = 0; entryNO < category.tools.length; entryNO++)
{
const entry = category.tools[entryNO];
const doc : IndexEntry = {
id: 'tool/'+categoryNO+'/'+entryNO,
tittel: entry.title,
url: entry.path
};
Eif(entry.keywords)
{
doc.keywords = entry.keywords;
}
idx.add(doc);
}
}
},
/**
* Adds externally indexed items to the index
*/
_indexFromExternal(idx: LunrObject, indexList: ExternallyIndexedList)
{
for(let indexNO: number = 0; indexNO < indexList.length; indexNO++)
{
const item = indexList[indexNO];
const keywordmap = {
'fagprat':'Fagprat, podkast',
'other':'',
};
let keywords: ?string;
Iif(item.keywords)
{
keywords = item.keywords;
}
else
{
keywords = keywordmap[item.type];
}
const doc : IndexEntry = {
id: 'external/'+indexNO,
tittel: item.title,
url: item.url,
body: item.text,
keywords,
};
idx.add(doc);
}
},
/**
* Adds nutrition data to the index
*/
_indexFromNutriData (idx: LunrObject, nutrition: NutritionDataStructure)
{
for(const ident in nutrition.basicGroups)
{
const entry = nutrition.basicGroups[ident];
if(entry.name === nutrition.customLabel)
{
continue;
}
const doc : IndexEntry = {
id: 'nutrition/'+ident,
tittel: "",
body: entry.name
};
Eif(doc.tittel !== ident)
{
doc.keywords = ident;
}
idx.add(doc);
}
},
/**
* Recursively indexes the handbook datastructure
*/
_recursiveLunrIndexFromHandbook (idx: LunrObject, handbook : HandbookDataEntry | HandbookDataStructure, idxType: 'handbook' | 'quickref')
{
if(handbook.tree !== undefined)
{
for(const subentry in handbook.tree)
{
PleiarIndexer._recursiveLunrIndexFromHandbook(idx, handbook.tree[subentry], idxType);
}
}
else
{
// Flow isn't very smart, if we don't have tree then this is a HandbookDataEntry,
// not a HandbookDataStructure
handbook = ((handbook: $UnsafeRecast): HandbookDataEntry);
const content = removeMarkdown( handbook.content );
const doc : IndexEntry = {
id: idxType+'/'+handbook.path.join('/'),
body: content,
tittel: handbook.title
};
idx.add(doc);
}
},
/**
* Adds a single data source to the index, based upon the fields provided.
*/
indexFromSource(src: {|
source: Array<ExternalResourcesEntry> | Array<DictionaryEntry> | Array<LabValueEntry>,
indexer: LunrObject,
titleField: string,
descriptionField?: string,
descriptionMarkdown?: boolean,
keywordField?: string,
urlField?: string,
sourceName: string,
alternateKeywords?: string,
|})
{
for(let no: number = 0; no < src.source.length; no++)
{
const entry = src.source[no];
const id = src.sourceName+'/'+no;
let body: string;
if(src.descriptionField)
{
body = entry[ src.descriptionField ];
}
if (src.descriptionMarkdown && src.descriptionField)
{
body = removeMarkdown( entry[ src.descriptionField ] );
}
const doc: IndexEntry = {
id,
tittel: entry[ src.titleField ],
body
};
Eif(src.keywordField)
{
doc.keywords = entry[ src.keywordField ];
}
if( src.alternateKeywords && (!doc.keywords || doc.keywords.length == 0) && Array.isArray( entry[ src.alternateKeywords ] ))
{
doc.keywords = entry[ src.alternateKeywords ].join(', ');
}
if(src.urlField)
{
doc.url = entry[ src.urlField ];
}
src.indexer.add(doc);
}
},
/**
* Adds tools to the index
*/
_indexFromElearn(idx: LunrObject, quiz: QuizDataContainer)
{
for(const name of Object.keys(quiz))
{
const entry = quiz[name];
const doc : IndexEntry = {
id: 'quiz/'+name,
tittel: entry.title,
url: '/elaering/'+name,
};
Iif(entry.description)
{
doc.body = entry.description;
}
Iif(entry.keywords)
{
doc.keywords = entry.keywords;
}
idx.add(doc);
}
},
};
export default PleiarIndexer;
|