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30c58e90a6
Summary: Add concept of "final" to Query, clean up internals Tiny bug fixes RxJs Observables! WIP Test Plan: Run tests Reviewers: evan, juan Reviewed By: juan Differential Revision: https://phab.nylas.com/D2319
56 lines
2.5 KiB
CoffeeScript
56 lines
2.5 KiB
CoffeeScript
_ = require 'underscore'
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{AttributeCollection, AttributeJoinedData} = require '../attributes'
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DatabaseObjectRegistry = require '../../database-object-registry'
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{tableNameForJoin} = require '../models/utils'
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# The DatabaseConnection dispatches queries to the Browser process via IPC and listens
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# for results. It maintains a hash of `_queryRecords` representing queries that are
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# currently running and fires promise callbacks when complete.
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#
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class DatabaseSetupQueryBuilder
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setupQueries: ->
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queries = []
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for key, klass of DatabaseObjectRegistry.classMap()
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queries = queries.concat @setupQueriesForTable(klass)
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return queries
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setupQueriesForTable: (klass) =>
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attributes = _.values(klass.attributes)
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queries = []
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# Identify attributes of this class that can be matched against. These
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# attributes need their own columns in the table
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columnAttributes = _.filter attributes, (attr) ->
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attr.queryable && attr.columnSQL && attr.jsonKey != 'id'
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columns = ['id TEXT PRIMARY KEY', 'data BLOB']
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columnAttributes.forEach (attr) ->
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columns.push(attr.columnSQL())
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columnsSQL = columns.join(',')
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queries.unshift("CREATE TABLE IF NOT EXISTS `#{klass.name}` (#{columnsSQL})")
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queries.push("CREATE UNIQUE INDEX IF NOT EXISTS `#{klass.name}_id` ON `#{klass.name}` (`id`)")
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# Identify collection attributes that can be matched against. These require
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# JOIN tables. (Right now the only one of these is Thread.folders or
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# Thread.labels)
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collectionAttributes = _.filter attributes, (attr) ->
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attr.queryable && attr instanceof AttributeCollection
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collectionAttributes.forEach (attribute) ->
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joinTable = tableNameForJoin(klass, attribute.itemClass)
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queries.push("CREATE TABLE IF NOT EXISTS `#{joinTable}` (id TEXT KEY, `value` TEXT)")
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queries.push("CREATE INDEX IF NOT EXISTS `#{joinTable.replace('-', '_')}_id` ON `#{joinTable}` (`id` ASC)")
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queries.push("CREATE UNIQUE INDEX IF NOT EXISTS `#{joinTable.replace('-', '_')}_val_id` ON `#{joinTable}` (`value` ASC, `id` ASC)")
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joinedDataAttributes = _.filter attributes, (attr) ->
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attr instanceof AttributeJoinedData
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joinedDataAttributes.forEach (attribute) ->
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queries.push("CREATE TABLE IF NOT EXISTS `#{attribute.modelTable}` (id TEXT PRIMARY KEY, `value` TEXT)")
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if klass.additionalSQLiteConfig?.setup?
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queries = queries.concat(klass.additionalSQLiteConfig.setup())
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queries
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module.exports = DatabaseSetupQueryBuilder
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