45 lines
1.4 KiB
SQL
45 lines
1.4 KiB
SQL
CREATE TABLE classroom_compliance_class (
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id BIGSERIAL PRIMARY KEY,
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number INT NOT NULL
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CONSTRAINT class_number_check CHECK (number > 0),
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school_year VARCHAR(9) NOT NULL,
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user_id BIGINT NOT NULL
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REFERENCES auth_user(id)
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ON UPDATE CASCADE ON DELETE CASCADE,
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CONSTRAINT unique_class_numbers_per_school_year
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UNIQUE(number, school_year, user_id)
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);
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CREATE TABLE classroom_compliance_student (
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id BIGSERIAL PRIMARY KEY,
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name VARCHAR(255) NOT NULL,
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class_id BIGINT NOT NULL
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REFERENCES classroom_compliance_class(id)
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ON UPDATE CASCADE ON DELETE CASCADE,
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desk_number INT NOT NULL DEFAULT 0,
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removed BOOLEAN NOT NULL DEFAULT FALSE
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);
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CREATE TABLE classroom_compliance_entry (
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id BIGSERIAL PRIMARY KEY,
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class_id BIGINT NOT NULL
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REFERENCES classroom_compliance_class(id)
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ON UPDATE CASCADE ON DELETE CASCADE,
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student_id BIGINT NOT NULL
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REFERENCES classroom_compliance_student(id)
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ON UPDATE CASCADE ON DELETE CASCADE,
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date DATE NOT NULL,
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created_at BIGINT NOT NULL
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DEFAULT EXTRACT(EPOCH FROM CURRENT_TIMESTAMP) * 1000,
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absent BOOLEAN NOT NULL DEFAULT FALSE,
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comment VARCHAR(2000) NOT NULL DEFAULT '',
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phone_compliant BOOLEAN NULL DEFAULT NULL,
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behavior_rating INT NULL DEFAULT NULL,
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CONSTRAINT absence_nulls_check CHECK (
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(absent AND phone_compliant IS NULL AND behavior_rating IS NULL) OR
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(NOT absent AND phone_compliant IS NOT NULL AND behavior_rating IS NOT NULL)
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),
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CONSTRAINT unique_entry_per_date
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UNIQUE(class_id, student_id, date)
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);
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