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-rw-r--r--lib/gitlab/import_export/json_hash_builder.rb117
1 files changed, 0 insertions, 117 deletions
diff --git a/lib/gitlab/import_export/json_hash_builder.rb b/lib/gitlab/import_export/json_hash_builder.rb
deleted file mode 100644
index a92e3862361..00000000000
--- a/lib/gitlab/import_export/json_hash_builder.rb
+++ /dev/null
@@ -1,117 +0,0 @@
-# frozen_string_literal: true
-
-module Gitlab
- module ImportExport
- # Generates a hash that conforms with http://apidock.com/rails/Hash/to_json
- # and its peculiar options.
- class JsonHashBuilder
- def self.build(model_objects, attributes_finder)
- new(model_objects, attributes_finder).build
- end
-
- def initialize(model_objects, attributes_finder)
- @model_objects = model_objects
- @attributes_finder = attributes_finder
- end
-
- def build
- process_model_objects(@model_objects)
- end
-
- private
-
- # Called when the model is actually a hash containing other relations (more models)
- # Returns the config in the right format for calling +to_json+
- #
- # +model_object_hash+ - A model relationship such as:
- # {:merge_requests=>[:merge_request_diff, :notes]}
- def process_model_objects(model_object_hash)
- json_config_hash = {}
- current_key = model_object_hash.first.first
-
- model_object_hash.values.flatten.each do |model_object|
- @attributes_finder.parse(current_key) { |hash| json_config_hash[current_key] ||= hash }
- handle_model_object(current_key, model_object, json_config_hash)
- end
-
- json_config_hash
- end
-
- # Creates or adds to an existing hash an individual model or list
- #
- # +current_key+ main model that will be a key in the hash
- # +model_object+ model or list of models to include in the hash
- # +json_config_hash+ the original hash containing the root model
- def handle_model_object(current_key, model_object, json_config_hash)
- model_or_sub_model = model_object.is_a?(Hash) ? process_model_objects(model_object) : model_object
-
- if json_config_hash[current_key]
- add_model_value(current_key, model_or_sub_model, json_config_hash)
- else
- create_model_value(current_key, model_or_sub_model, json_config_hash)
- end
- end
-
- # Constructs a new hash that will hold the configuration for that particular object
- # It may include exceptions or other attribute detail configuration, parsed by +@attributes_finder+
- #
- # +current_key+ main model that will be a key in the hash
- # +value+ existing model to be included in the hash
- # +json_config_hash+ the original hash containing the root model
- def create_model_value(current_key, value, json_config_hash)
- json_config_hash[current_key] = parse_hash(value) || { include: value }
- end
-
- # Calls attributes finder to parse the hash and add any attributes to it
- #
- # +value+ existing model to be included in the hash
- # +parsed_hash+ the original hash
- def parse_hash(value)
- return if already_contains_methods?(value)
-
- @attributes_finder.parse(value) do |hash|
- { include: hash_or_merge(value, hash) }
- end
- end
-
- def already_contains_methods?(value)
- value.is_a?(Hash) && value.values.detect { |val| val[:methods]}
- end
-
- # Adds new model configuration to an existing hash with key +current_key+
- # It may include exceptions or other attribute detail configuration, parsed by +@attributes_finder+
- #
- # +current_key+ main model that will be a key in the hash
- # +value+ existing model to be included in the hash
- # +json_config_hash+ the original hash containing the root model
- def add_model_value(current_key, value, json_config_hash)
- @attributes_finder.parse(value) do |hash|
- value = { value => hash } unless value.is_a?(Hash)
- end
-
- add_to_array(current_key, json_config_hash, value)
- end
-
- # Adds new model configuration to an existing hash with key +current_key+
- # it creates a new array if it was previously a single value
- #
- # +current_key+ main model that will be a key in the hash
- # +value+ existing model to be included in the hash
- # +json_config_hash+ the original hash containing the root model
- def add_to_array(current_key, json_config_hash, value)
- old_values = json_config_hash[current_key][:include]
-
- json_config_hash[current_key][:include] = ([old_values] + [value]).compact.flatten
- end
-
- # Construct a new hash or merge with an existing one a model configuration
- # This is to fulfil +to_json+ requirements.
- #
- # +hash+ hash containing configuration generated mainly from +@attributes_finder+
- # +value+ existing model to be included in the hash
- def hash_or_merge(value, hash)
- value.is_a?(Hash) ? value.merge(hash) : { value => hash }
- end
- end
- end
-end