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47 lines
1.4 KiB
Rust
47 lines
1.4 KiB
Rust
// flotte-user-management server for managing users, roles and permissions
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// Copyright (C) 2020 trivernis
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// See LICENSE for more information
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use crate::database::models::Role;
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use crate::database::{DatabaseResult, PostgresPool, Table};
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use crate::utils::error::DBError;
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/// A table that stores the relation between users and roles
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#[derive(Clone)]
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pub struct UserRoles {
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pool: PostgresPool,
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}
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impl Table for UserRoles {
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fn new(pool: PostgresPool) -> Self {
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Self { pool }
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}
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fn init(&self) -> DatabaseResult<()> {
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self.pool
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.get()?
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.batch_execute(
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"
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CREATE TABLE IF NOT EXISTS user_roles (
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user_id INT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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role_id INT NOT NULL REFERENCES roles(id) ON DELETE CASCADE,
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PRIMARY KEY (user_id, role_id)
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);",
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)
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.map_err(DBError::from)
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}
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}
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impl UserRoles {
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/// Returns all roles a user is asigned to
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pub fn by_user(&self, user_id: i32) -> DatabaseResult<Vec<Role>> {
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let mut connection = self.pool.get()?;
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let rows = connection.query(
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"SELECT * FROM user_roles, roles WHERE user_id = $1 AND roles.id = user_roles.role_id",
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&[&user_id],
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)?;
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serde_postgres::from_rows(&rows).map_err(DBError::from)
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}
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}
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