282 lines
8.5 KiB
SQL
282 lines
8.5 KiB
SQL
-- Datetimes are stored as 'ISO 8601' text format.
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-- For example: '2025-01-07T10:41:05.697884837+00:00'.
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-- Version 1 is the initial structure.
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CREATE TABLE [Version] (
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[id] INTEGER PRIMARY KEY,
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[version] INTEGER NOT NULL UNIQUE,
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[datetime] TEXT
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) STRICT;
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CREATE TABLE [User] (
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[id] INTEGER PRIMARY KEY,
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[email] TEXT NOT NULL,
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[name] TEXT NOT NULL DEFAULT '',
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[creation_datetime] TEXT NOT NULL,
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[default_servings] INTEGER DEFAULT 4,
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[lang] TEXT NOT NULL DEFAULT 'en',
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-- 0: Monday, 1: Tuesday, 2: Wednesday, 3: Thursday, 4: Friday, 5: Saturday, 6: Sunday.
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[first_day_of_the_week] INTEGER DEFAULT 0,
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[password] TEXT NOT NULL, -- argon2(password_plain, salt).
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[validation_token_datetime] TEXT NOT NULL, -- Updated when the validation email is sent.
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[validation_token] TEXT, -- If not null then the user has not validated his account yet.
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[password_reset_token] TEXT, -- If not null then the user can reset its password.
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-- The time when the reset token has been created.
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-- Password can only be reset during a certain duration after this time.
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[password_reset_datetime] TEXT,
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[is_admin] INTEGER NOT NULL DEFAULT FALSE,
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CHECK (
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length([email]) <= 255 AND
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length([name]) <= 255 AND
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length([lang]) = 2 AND
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length([password]) <= 255 AND
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[first_day_of_the_week] >= 0 AND [first_day_of_the_week] <= 6 AND
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([is_admin] = TRUE OR [is_admin] = FALSE)
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)
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) STRICT;
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CREATE INDEX [validation_token_index] ON [User]([validation_token]);
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CREATE UNIQUE INDEX [User_email_index] ON [User]([email]);
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CREATE TABLE [UserLoginToken] (
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[id] INTEGER PRIMARY KEY,
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[user_id] INTEGER NOT NULL,
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[last_login_datetime] TEXT,
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-- 24 alphanumeric character token.
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-- Can be stored in a cookie to be able to authenticate without a password.
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[token] TEXT NOT NULL,
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[ip] TEXT, -- Can be ipv4 or ipv6.
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[user_agent] TEXT,
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CHECK (
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length([ip]) <= 255 AND
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length([user_agent]) <= 255
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),
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FOREIGN KEY([user_id]) REFERENCES [User]([id]) ON DELETE CASCADE
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) STRICT;
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CREATE INDEX [UserLoginToken_token_index] ON [UserLoginToken]([token]);
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CREATE TABLE [Recipe] (
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[id] INTEGER PRIMARY KEY,
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[user_id] INTEGER, -- Can be null if a user is deleted.
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[title] TEXT NOT NULL,
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-- https://en.wikipedia.org/wiki/List_of_ISO_639_language_codes (Set 1).
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[lang] TEXT NOT NULL DEFAULT 'en',
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[estimated_time] INTEGER, -- in [s].
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[description] TEXT NOT NULL DEFAULT '',
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-- 0: Unknown, 1: Easy, 2: Medium, 4: Hard.
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[difficulty] INTEGER NOT NULL DEFAULT 0,
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[servings] INTEGER DEFAULT 4,
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[is_public] INTEGER NOT NULL DEFAULT FALSE,
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[creation_datetime] TEXT NOT NULL,
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CHECK (
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length([title]) <= 255 AND
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length([lang]) = 2 AND
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length([description]) <= 65535 AND
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[difficulty] >= 0 AND [difficulty] <= 3 AND
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[servings] > 0 AND [servings] <= 255 AND
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([is_public] = TRUE OR [is_public] = FALSE)
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),
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FOREIGN KEY([user_id]) REFERENCES [User]([id]) ON DELETE SET NULL
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) STRICT;
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CREATE TABLE [Image] (
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[id] INTEGER PRIMARY KEY,
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[recipe_id] INTEGER NOT NULL,
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[name] TEXT NOT NULL DEFAULT '',
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[description] TEXT NOT NULL DEFAULT '',
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[image] BLOB NOT NULL,
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CHECK (
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length([name]) <= 255 AND
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length([description]) <= 255
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),
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FOREIGN KEY([recipe_id]) REFERENCES [Recipe]([id]) ON DELETE CASCADE
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) STRICT;
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CREATE TABLE [Tag] (
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[id] INTEGER PRIMARY KEY,
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[name] TEXT NOT NULL,
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-- Not needed, the lang is defined by the recipes linked to it
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-- (more than one language can be associaded to a tag).
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-- [lang] TEXT NOT NULL DEFAULT 'en',
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CHECK (
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length([name]) <= 31
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)
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) STRICT;
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CREATE UNIQUE INDEX [Tag_name_index] ON [Tag]([name]);
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CREATE TABLE [RecipeTag] (
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[id] INTEGER PRIMARY KEY,
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[recipe_id] INTEGER NOT NULL,
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[tag_id] INTEGER NOT NULL,
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UNIQUE([recipe_id], [tag_id]),
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FOREIGN KEY([recipe_id]) REFERENCES [Recipe]([id]) ON DELETE CASCADE,
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FOREIGN KEY([tag_id]) REFERENCES [Tag]([id]) ON DELETE CASCADE
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) STRICT;
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CREATE INDEX [RecipeTag_tag_id_index] ON [RecipeTag]([tag_id]);
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-- Delete all tags without references.
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CREATE TRIGGER [RecipeTag_trigger_delete]
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AFTER DELETE
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ON [RecipeTag]
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BEGIN
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DELETE FROM [Tag] WHERE
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[id] = OLD.[tag_id] AND
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(SELECT COUNT(*) = 0 FROM [RecipeTag] WHERE [tag_id] = OLD.[tag_id]);
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END;
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CREATE TABLE [Group] (
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[id] INTEGER PRIMARY KEY,
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[order] INTEGER NOT NULL DEFAULT 0,
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[recipe_id] INTEGER NOT NULL,
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[name] TEXT NOT NULL DEFAULT '',
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[comment] TEXT NOT NULL DEFAULT '',
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CHECK (
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length([name]) <= 255 AND
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length([comment]) <= 65535
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),
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FOREIGN KEY([recipe_id]) REFERENCES [Recipe]([id]) ON DELETE CASCADE
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) STRICT;
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CREATE INDEX [Group_order_index] ON [Group]([order]);
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CREATE TABLE [Step] (
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[id] INTEGER PRIMARY KEY,
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[order] INTEGER NOT NULL DEFAULT 0,
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[group_id] INTEGER NOT NULL,
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[action] TEXT NOT NULL DEFAULT '',
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CHECK (
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length([action]) <= 255
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),
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FOREIGN KEY(group_id) REFERENCES [Group](id) ON DELETE CASCADE
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) STRICT;
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CREATE INDEX [Step_order_index] ON [Step]([order]);
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CREATE TABLE [Ingredient] (
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[id] INTEGER PRIMARY KEY,
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[order] INTEGER NOT NULL DEFAULT 0,
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[step_id] INTEGER NOT NULL,
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[name] TEXT NOT NULL DEFAULT '',
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[quantity_value] REAL,
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[quantity_unit] TEXT NOT NULL DEFAULT '',
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[comment] TEXT NOT NULL DEFAULT '',
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CHECK (
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length([name]) <= 255 AND
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length([comment]) <= 65535
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),
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FOREIGN KEY([step_id]) REFERENCES [Step]([id]) ON DELETE CASCADE
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) STRICT;
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CREATE INDEX [Ingredient_order_index] ON [Ingredient]([order]);
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CREATE TABLE [RecipeScheduled] (
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[id] INTEGER PRIMARY KEY,
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[user_id] INTEGER NOT NULL,
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[recipe_id] INTEGER NOT NULL,
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[date] TEXT NOT NULL, -- In form of 'YYYY-MM-DD'.
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[servings] INTEGER, -- If NULL use [recipe].[servings].
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UNIQUE([user_id], [recipe_id], [date]),
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FOREIGN KEY([user_id]) REFERENCES [User]([id]) ON DELETE CASCADE,
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FOREIGN KEY([recipe_id]) REFERENCES [Recipe]([id]) ON DELETE CASCADE
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) STRICT;
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CREATE INDEX [RecipeScheduled_user_id_index] ON [RecipeScheduled]([user_id]);
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CREATE INDEX [RecipeScheduled_date_index] ON [RecipeScheduled]([date]);
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CREATE TABLE [ShoppingEntry] (
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[id] INTEGER PRIMARY KEY,
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[user_id] INTEGER NOT NULL,
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-- The linked ingredient can be deleted or a custom entry can be manually added.
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-- In both cases [name], [quantity_value], [quantity_unit] and [Servings] are used to display
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-- the entry instead of [Ingredient] data.
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[ingredient_id] INTEGER,
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[recipe_scheduled_id] INTEGER, -- Can be null when manually added.
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[is_checked] INTEGER NOT NULL DEFAULT FALSE,
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-- The following four fields contain data only if [recipe_scheduled_id] is NULL.
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[name] TEXT NOT NULL DEFAULT '',
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[quantity_value] REAL,
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[quantity_unit] TEXT NOT NULL DEFAULT '',
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[servings] INTEGER,
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CHECK (
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length([name]) <= 255 AND
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([is_checked] = TRUE OR [is_checked] = FALSE)
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),
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FOREIGN KEY([user_id]) REFERENCES [User]([id]) ON DELETE CASCADE,
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FOREIGN KEY([ingredient_id]) REFERENCES [Ingredient]([id]) ON DELETE SET NULL,
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FOREIGN KEY([recipe_scheduled_id]) REFERENCES [RecipeScheduled]([id]) ON DELETE SET NULL
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) STRICT;
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CREATE INDEX [ShoppingEntry_user_id_index] ON [ShoppingEntry]([user_id]);
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-- When an ingredient is deleted, its values are copied to any shopping entry
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-- that referenced it.
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CREATE TRIGGER [Ingredient_trigger_delete]
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BEFORE DELETE
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ON [Ingredient]
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BEGIN
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UPDATE [ShoppingEntry]
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SET
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[name] = OLD.[name],
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[quantity_value] = OLD.[quantity_value],
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[quantity_unit] = OLD.[quantity_unit],
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[servings] = (
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SELECT [servings]
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FROM [Recipe]
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INNER JOIN [Group] ON [Group].[recipe_id] = [Recipe].[id]
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INNER JOIN [Step] ON [Step].[group_id] = [Group].[id]
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WHERE [Step].[id] = OLD.[step_id]
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)
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WHERE [ingredient_id] = OLD.[id];
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END;
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CREATE TABLE [Settings] (
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[name] TEXT NOT NULL PRIMARY KEY,
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-- Value can by anything that can be read from a text by
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-- implementing the trait 'std::str::FromStr'.
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[value] TEXT NOT NULL
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) STRICT;
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INSERT INTO [Settings] ([name], [value]) VALUES ('new_user_registration_enabled', 'true');
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