43 lines
1.4 KiB
Crystal
43 lines
1.4 KiB
Crystal
# Mentorenwahl: A fullstack application for assigning mentors to students based on their whishes.
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# Copyright (C) 2022 Dominic Grimm
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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module Backend
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module Api
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module Schema
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# Schema helper macros
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module Helpers
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# Defines DB model field helper functions
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macro db_object(type, id_type)
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def initialize(@model : {{ type }})
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end
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def self.from_id(id : Int32) : self
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new({{ type }}.query.find! { var(:id) == id })
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end
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{% space_name = type.names.last.underscore.gsub(/_/, " ").capitalize %}
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@[GraphQL::Field]
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# {{ space_name }}'s ID
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def id : {{ id_type }}
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@model.id
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end
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end
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end
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end
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end
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end
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