147 行
7.2 KiB
Ruby
147 行
7.2 KiB
Ruby
# Server-owned version identities, attributes and field types. No client SQL is accepted.
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class CountsResourceDefinition
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COMMON = { 'resource_id' => :integer, 'version_no' => :integer,
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'event_type' => :enum, 'user' => :integer, 'created_at' => :datetime }.freeze
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DEFINITIONS = {
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'posts' => [PostVersion, ['post_id'], {
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'title' => :string, 'url' => :string, 'thumbnail_base' => :string,
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'tags_json' => :json, 'parent_post_ids' => :string, 'video_ms' => :integer,
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'original_created_from' => :datetime, 'original_created_before' => :datetime }],
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'tags' => [TagVersion, ['tag_id'], {
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'name' => :string, 'names' => :json, 'category' => :enum, 'aliases' => :string,
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'parent_tag_ids' => :string, 'deprecated_at' => :datetime }],
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'nico_tags' => [NicoTagVersion, ['tag_id'], {
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'name' => :string, 'linked_tags' => :string }],
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'tag_descriptions' => [TagDescriptionVersion, ['tag_id', 'language_code'], {
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'language_code' => :enum, 'body' => :string,
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'source_language_code' => :enum, 'source_version_no' => :integer }],
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'tag_groups' => [TagGroupVersion, ['tag_group_id'], {
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'name' => :string, 'description' => :string,
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'members' => :json, 'placements' => :json }],
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'materials' => [MaterialVersion, ['material_id'], {
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'url' => :string, 'parent_id' => :integer, 'tag_id' => :integer,
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'tag_name' => :string, 'tag_category' => :enum,
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'discarded_at' => :datetime, 'updated_at' => :datetime,
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'updated_by_user_id' => :integer, 'export_paths_json' => :json,
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'file_blob_id' => :integer, 'file_filename' => :string,
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'file_content_type' => :string, 'file_byte_size' => :integer,
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'file_checksum' => :string, 'file_sha256' => :string,
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'source_kind' => :enum, 'source_uri' => :string, 'source_path' => :string,
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'source_file_id' => :string, 'normalized_source_key' => :string }] }.freeze
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OPERATORS = {
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string: ['eq', 'ne', 'like'], enum: ['eq', 'ne'], boolean: ['eq', 'ne'],
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integer: ['eq', 'ne', 'gt', 'lt', 'ge', 'le', 'range'],
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datetime: ['eq', 'ne', 'gt', 'lt', 'ge', 'le', 'range'],
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interval: ['range'] }.freeze
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LABELS = {
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'resource_id' => 'counts:columns.resourceId', 'version_no' => 'counts:columns.version',
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'is_latest' => 'counts:columns.latest', 'event_type' => 'counts:eventType',
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'user' => 'history:actor', 'created_at' => 'counts:columns.changedAt',
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'thumbnail' => 'counts:columns.thumbnailDisplay',
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'thumbnail_base' => 'counts:columns.thumbnailURL',
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'title' => 'counts:columns.postTitle', 'url' => 'counts:columns.postURL',
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'tags' => 'counts:columns.tags', 'tags_json' => 'counts:columns.tags',
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'video_ms' => 'shared:labels.duration', 'name' => 'counts:columns.name',
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'names' => 'counts:columns.names', 'category' => 'common:categoryLabel',
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'aliases' => 'tags:aliases', 'deprecated' => 'counts:columns.deprecated',
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'original_created_from' => 'counts:columns.originalFrom',
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'original_created_before' => 'counts:columns.originalBefore',
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'language_code' => 'counts:columns.language' }.freeze
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CHILD_LABELS = {
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'id' => 'counts:columns.resourceId', 'versionNo' => 'history:version',
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'kind' => 'counts:columns.kind', 'name' => 'history:name',
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'category' => 'common:categoryLabel', 'sections' => 'counts:columns.sections',
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'names' => 'counts:columns.names', 'aliases' => 'tags:aliases',
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'languageCode' => 'counts:columns.language',
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'scriptCode' => 'history:nameChanges.script',
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'autoGenerated' => 'history:nameChanges.automatic',
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'tagId' => 'counts:attributes.tag_id', 'tagGroupId' => 'counts:resources.tag_groups',
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'sectionName' => 'counts:attributes.section_name',
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'description' => 'counts:attributes.description',
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'children' => 'counts:attributes.children', 'profile' => 'counts:attributes.profile',
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'path' => 'counts:attributes.path' }.freeze
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attr_reader :model, :keys, :fields, :resource
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def initialize(resource)
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@resource = resource
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@model, @keys, attributes = DEFINITIONS.fetch(resource) { raise ArgumentError }
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@fields = COMMON.merge(attributes)
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end
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def table = model.table_name
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def time_column = 'created_at'
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def column(key)
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raise ArgumentError unless fields.key?(key)
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{ 'resource_id' => keys.first, 'user' => 'created_by_user_id' }.fetch(key, key)
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end
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def expression(key, row = 'v') = "#{ row }.#{ column(key) }"
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def changes = fields.keys - COMMON.keys - ['updated_at', 'updated_by_user_id']
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def axes(history)
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fields.reject { |_key, type| type == :json }.keys +
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(resource == 'posts' ? ['tags'] : []) + (history ? ['changed_field'] : [])
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end
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def metadata
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fields.map do |key, type|
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{ key:, type:, nullable: model.columns_hash.fetch(column(key)).null,
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operators: OPERATORS.fetch(type, []) }
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end
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end
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def field_label(key) = LABELS.fetch(key, "counts:attributes.#{ key }")
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def output_fields
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content = case resource
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when 'posts'
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['thumbnail', 'title', 'url', 'thumbnail_base', 'tags', 'parents', 'video_ms',
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'original_created_from', 'original_created_before']
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when 'tags' then ['name', 'names', 'category', 'aliases', 'parents', 'deprecated']
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else fields.keys - COMMON.keys
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end
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keys = ['resource_id', 'version_no', 'is_latest'] + (content - ['thumbnail']) +
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['event_type', 'user', 'created_at']
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keys.unshift('thumbnail') if content.include?('thumbnail')
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keys.map do |key|
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label = if key == 'parents'
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resource == 'tags' ? 'tags:parents' : 'shared:labels.parentPosts'
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else field_label(key)
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end
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field = { key:, label: }
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children = child_fields(key)
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field[:children] = children if children.any?
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field
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end
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end
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def child_fields(key, depth = 4)
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keys = case key
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when 'tags' then ['id', 'versionNo', 'kind', 'name', 'category', 'sections', 'names']
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when 'names' then ['languageCode', 'scriptCode', 'name', 'aliases', 'autoGenerated']
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when 'aliases'
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resource == 'tags' ? ['languageCode', 'name', 'scriptCode'] : ['name', 'scriptCode']
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when 'parents' then resource == 'tags' ? ['id', 'name'] : ['id']
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when 'members' then ['tagId', 'tagGroupId', 'versionNo']
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when 'export_paths_json' then ['profile', 'path']
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when 'placements', 'children'
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scalar = ['sectionName', 'description', 'tagId', 'tagGroupId']
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scalar + (depth > 0 ? ['children'] : [])
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else []
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end
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keys.map do |child|
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label = key == 'members' && child == 'tagId' ?
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'counts:columns.resourceId' : CHILD_LABELS.fetch(child)
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field = { key: child, label: }
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children = child_fields(child, child == 'children' ? depth - 1 : depth)
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# Language is attached to top-level aliases, not to aliases inside a language entry.
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children = children.reject { _1[:key] == 'languageCode' } if child == 'aliases'
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field[:children] = children if children.any?
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field
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end
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end
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def filter_metadata = @filter_metadata ||= CountsCondition.fields(self)
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end
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