mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-04 23:39:57 +00:00
280 lines
8.3 KiB
JavaScript
280 lines
8.3 KiB
JavaScript
/*\
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title: $:/plugins/tiddlywiki/multiwikiserver/sql-tiddler-store.js
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type: application/javascript
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module-type: library
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Higher level functions to perform basic tiddler operations with a sqlite3 database.
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This class is largely a wrapper for the sql-tiddler-database.js class, adding the following functionality:
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* Validating requests (eg bag and recipe name constraints)
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* Synchronising bag and recipe names to the admin wiki
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* Handling _canonical_uri tiddlers
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\*/
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(function() {
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/*
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Create a tiddler store. Options include:
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databasePath - path to the database file (can be ":memory:" to get a temporary database)
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adminWiki - reference to $tw.Wiki object into which entity state tiddlers should be saved
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*/
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function SqlTiddlerStore(options) {
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options = options || {};
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this.adminWiki = options.adminWiki || $tw.wiki;
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this.entityStateTiddlerPrefix = "$:/state/MultiWikiServer/";
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// Create the database
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this.databasePath = options.databasePath || ":memory:";
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var SqlTiddlerDatabase = require("$:/plugins/tiddlywiki/multiwikiserver/sql-tiddler-database.js").SqlTiddlerDatabase;
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this.sqlTiddlerDatabase = new SqlTiddlerDatabase({
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databasePath: this.databasePath
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});
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this.sqlTiddlerDatabase.createTables();
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this.updateAdminWiki();
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}
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/*
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Returns null if a bag/recipe name is valid, or a string error message if not
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*/
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SqlTiddlerStore.prototype.validateItemName = function(name) {
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if(typeof name !== "string") {
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return "Not a valid string";
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}
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if(name.length > 256) {
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return "Too long";
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}
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if(!(/^[^\s\u00A0\x00-\x1F\x7F~`!@#$%^&*()+={}\[\];:\'\"<>.,\/\\\?]+$/g.test(name))) {
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return "Invalid character(s)";
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}
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return null;
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};
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/*
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Returns null if the argument is an array of valid bag/recipe names, or a string error message if not
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*/
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SqlTiddlerStore.prototype.validateItemNames = function(names) {
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if(!$tw.utils.isArray(names)) {
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return "Not a valid array";
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}
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var errors = [];
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for(const name of names) {
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const result = this.validateItemName(name);
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if(result) {
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errors.push(result);
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}
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}
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if(errors.length === 0) {
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return null;
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} else {
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return errors.join("\n");
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}
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};
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SqlTiddlerStore.prototype.close = function() {
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this.sqlTiddlerDatabase.close();
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this.sqlTiddlerDatabase = undefined;
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};
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SqlTiddlerStore.prototype.saveEntityStateTiddler = function(tiddler) {
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this.adminWiki.addTiddler(new $tw.Tiddler(tiddler,{title: this.entityStateTiddlerPrefix + tiddler.title}));
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};
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SqlTiddlerStore.prototype.updateAdminWiki = function() {
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// Update bags
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for(const bagInfo of this.listBags()) {
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this.saveEntityStateTiddler({
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title: "bags/" + bagInfo.bag_name,
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"bag-name": bagInfo.bag_name,
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text: bagInfo.description
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});
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}
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// Update recipes
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for(const recipeInfo of this.listRecipes()) {
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this.saveEntityStateTiddler({
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title: "recipes/" + recipeInfo.recipe_name,
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"recipe-name": recipeInfo.recipe_name,
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text: recipeInfo.description,
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list: $tw.utils.stringifyList(this.getRecipeBags(recipeInfo.recipe_name).map(bag_name => {
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return this.entityStateTiddlerPrefix + "bags/" + bag_name;
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}))
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});
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}
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};
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/*
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Given tiddler fields, tiddler_id and a bagname, return the tiddler fields after the following process:
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- If the text field is over a threshold, modify the tiddler to use _canonical_uri
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- Apply the tiddler_id as the revision field
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- Apply the bag_name as the bag field
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*/
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SqlTiddlerStore.prototype.processOutgoingTiddler = function(tiddlerFields,tiddler_id,bag_name,recipe_name) {
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if((tiddlerFields.text || "").length > 10 * 1024 * 1024) {
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return Object.assign({},tiddlerFields,{
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revision: "" + tiddler_id,
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bag: bag_name,
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text: undefined,
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_canonical_uri: recipe_name
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? `/wiki/${recipe_name}/recipes/${recipe_name}/tiddlers/${title}`
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: `/wiki/${bag_name}/bags/${bag_name}/tiddlers/${title}`
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});
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} else {
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return Object.assign({},tiddlerFields,{
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revision: "" + tiddler_id,
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bag: bag_name
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});
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}
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};
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SqlTiddlerStore.prototype.saveTiddlersFromPath = function(tiddler_files_path,bag_name) {
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// Clear out the bag
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this.deleteAllTiddlersInBag(bag_name);
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// Get the tiddlers
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var path = require("path");
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var tiddlersFromPath = $tw.loadTiddlersFromPath(path.resolve($tw.boot.corePath,$tw.config.editionsPath,tiddler_files_path));
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// Save the tiddlers
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for(const tiddlersFromFile of tiddlersFromPath) {
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for(const tiddler of tiddlersFromFile.tiddlers) {
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this.saveBagTiddler(tiddler,bag_name);
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}
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}
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};
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SqlTiddlerStore.prototype.logTables = function() {
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this.sqlTiddlerDatabase.logTables();
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};
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SqlTiddlerStore.prototype.listBags = function() {
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return this.sqlTiddlerDatabase.listBags();
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};
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SqlTiddlerStore.prototype.createBag = function(bagname,description) {
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console.log(`create bag method for ${bagname} with ${description}`)
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console.log(`validation results are ${this.validateItemName(bagname)}`)
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const validationBagName = this.validateItemName(bagname);
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if(validationBagName) {
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return {message: validationBagName};
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}
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this.sqlTiddlerDatabase.createBag(bagname,description);
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this.saveEntityStateTiddler({
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title: "bags/" + bagname,
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"bag-name": bagname,
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text: description
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});
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return null;
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};
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SqlTiddlerStore.prototype.listRecipes = function() {
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return this.sqlTiddlerDatabase.listRecipes();
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};
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/*
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Returns null on success, or {message:} on error
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*/
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SqlTiddlerStore.prototype.createRecipe = function(recipename,bagnames,description) {
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console.log(`create recipe method for ${recipename} with ${JSON.stringify(bagnames)}`)
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console.log(`validation results are ${this.validateItemName(recipename)} and ${this.validateItemNames(bagnames)}`)
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bagnames = bagnames || [];
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description = description || "";
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const validationRecipeName = this.validateItemName(recipename);
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if(validationRecipeName) {
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return {message: validationRecipeName};
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}
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const validationBagNames = this.validateItemNames(bagnames);
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if(validationBagNames) {
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return {message: validationBagNames};
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}
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this.sqlTiddlerDatabase.createRecipe(recipename,bagnames,description);
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this.saveEntityStateTiddler({
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title: "recipes/" + recipename,
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"recipe-name": recipename,
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text: description,
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list: $tw.utils.stringifyList(bagnames.map(bag_name => {
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return this.entityStateTiddlerPrefix + "bags/" + bag_name;
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}))
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});
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return null;
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};
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/*
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Returns {tiddler_id:}
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*/
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SqlTiddlerStore.prototype.saveBagTiddler = function(tiddlerFields,bagname) {
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return this.sqlTiddlerDatabase.saveBagTiddler(tiddlerFields,bagname);
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};
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/*
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Returns {tiddler_id:,bag_name:}
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*/
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SqlTiddlerStore.prototype.saveRecipeTiddler = function(tiddlerFields,recipename) {
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return this.sqlTiddlerDatabase.saveRecipeTiddler(tiddlerFields,recipename);
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};
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SqlTiddlerStore.prototype.deleteTiddler = function(title,bagname) {
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this.sqlTiddlerDatabase.deleteTiddler(title,bagname);
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};
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/*
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returns {tiddler_id:,tiddler:}
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*/
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SqlTiddlerStore.prototype.getBagTiddler = function(title,bagname) {
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var tiddlerInfo = this.sqlTiddlerDatabase.getBagTiddler(title,bagname);
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if(tiddlerInfo) {
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return Object.assign(
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{},
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tiddlerInfo,
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{
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tiddler: this.processOutgoingTiddler(tiddlerInfo.tiddler,tiddlerInfo.tiddler_id,bagname,null)
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});
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} else {
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return null;
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}
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};
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/*
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Returns {bag_name:, tiddler: {fields}, tiddler_id:}
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*/
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SqlTiddlerStore.prototype.getRecipeTiddler = function(title,recipename) {
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var tiddlerInfo = this.sqlTiddlerDatabase.getRecipeTiddler(title,recipename);
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if(tiddlerInfo) {
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return Object.assign(
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{},
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tiddlerInfo,
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{
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tiddler: this.processOutgoingTiddler(tiddlerInfo.tiddler,tiddlerInfo.tiddler_id,tiddlerInfo.bag_name,recipename)
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});
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} else {
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return null;
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}
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};
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/*
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Get the titles of the tiddlers in a bag. Returns an empty array for bags that do not exist
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*/
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SqlTiddlerStore.prototype.getBagTiddlers = function(bagname) {
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return this.sqlTiddlerDatabase.getBagTiddlers(bagname);
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};
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/*
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Get the titles of the tiddlers in a recipe as {title:,bag_name:}. Returns an empty array for recipes that do not exist
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*/
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SqlTiddlerStore.prototype.getRecipeTiddlers = function(recipename) {
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return this.sqlTiddlerDatabase.getRecipeTiddlers(recipename);
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};
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SqlTiddlerStore.prototype.deleteAllTiddlersInBag = function(bagname) {
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return this.sqlTiddlerDatabase.deleteAllTiddlersInBag(bagname);
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};
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/*
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Get the names of the bags in a recipe. Returns an empty array for recipes that do not exist
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*/
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SqlTiddlerStore.prototype.getRecipeBags = function(recipename) {
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return this.sqlTiddlerDatabase.getRecipeBags(recipename);
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};
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exports.SqlTiddlerStore = SqlTiddlerStore;
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})(); |