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ActiveStorage file uploading in GraphQL API in Rails
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| # app/graphql/types/objects/document_type.rb | |
| module Mutations | |
| class CreateDocument < BaseMutation | |
| description "creates a document for the user in the system" | |
| argument :doc, ApolloUploadServer::Upload, required: true | |
| field :document, Types::Objects::DocumentType, null: false | |
| def resolve(doc:) | |
| authenticate_user | |
| user = context[:current_user] | |
| document = user.documents.build(doc: doc) | |
| if document.save | |
| return {document: document} | |
| else | |
| raise GraphQL::ExecutionError.new(document.errors.full_messages.join(', ')) | |
| end | |
| end | |
| end | |
| end |
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| # app/models/document.rb | |
| class Document < ApplicationRecord | |
| ## RELATIONSHIPS | |
| has_one_attached :doc | |
| belongs_to :documentable, polymorphic: true, optional: true | |
| belongs_to :user, optional: true | |
| ## VALIDATIONS | |
| validate :doc_presence, on: :create | |
| # This validation validates that attachment can be any image of pdf | |
| def doc_presence | |
| pattern = %r{^(image|application)/(.)+$} | |
| unless doc.attached? && pattern.match?(doc.attachment.blob.content_type) | |
| errors.add(:doc, I18n.t("errors.models.document.file_presence")) | |
| end | |
| end | |
| end |
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| # app/graphql/types/objects/document_type.rb | |
| module Types | |
| module Objects | |
| class DocumentType < Types::BaseObject | |
| field :id, Integer, null: false | |
| field :documentable_type, String, null: true | |
| field :documentable_id, Integer, null: true | |
| field :content_type, String, null: true | |
| field :url, String, null: false | |
| field :created_at, GraphQL::Types::ISO8601DateTime, null: false | |
| field :updated_at, GraphQL::Types::ISO8601DateTime, null: false | |
| def url | |
| if Rails.env.production? | |
| object.doc.service_url | |
| else | |
| Rails.application.routes.url_helpers.rails_blob_url(object.doc) | |
| end | |
| end | |
| def content_type | |
| if object.doc.present? | |
| object.doc.content_type | |
| else | |
| nil | |
| end | |
| end | |
| end | |
| end | |
| end |
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Hey I am getting this error could you please help me ?????
