86 lines
2.6 KiB
Rust
86 lines
2.6 KiB
Rust
use sea_orm_migration::prelude::*;
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#[derive(DeriveMigrationName)]
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pub struct Migration;
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const TABLE: &str = "comments";
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const IP_ADDRESS_COLUMN: &str = "ip_address";
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const USER_AGENT_COLUMN: &str = "user_agent";
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const REFERER_COLUMN: &str = "referer";
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const COMMENT_IP_INDEX: &str = "idx_comments_ip_address";
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#[async_trait::async_trait]
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impl MigrationTrait for Migration {
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async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
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let table = Alias::new(TABLE);
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if !manager.has_column(TABLE, IP_ADDRESS_COLUMN).await? {
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manager
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.alter_table(
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Table::alter()
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.table(table.clone())
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.add_column(
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ColumnDef::new(Alias::new(IP_ADDRESS_COLUMN))
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.string()
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.null(),
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)
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.to_owned(),
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)
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.await?;
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}
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if !manager.has_column(TABLE, USER_AGENT_COLUMN).await? {
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manager
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.alter_table(
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Table::alter()
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.table(table.clone())
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.add_column(ColumnDef::new(Alias::new(USER_AGENT_COLUMN)).text().null())
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.to_owned(),
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)
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.await?;
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}
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if !manager.has_column(TABLE, REFERER_COLUMN).await? {
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manager
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.alter_table(
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Table::alter()
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.table(table)
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.add_column(ColumnDef::new(Alias::new(REFERER_COLUMN)).text().null())
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.to_owned(),
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)
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.await?;
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}
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manager
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.get_connection()
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.execute_unprepared(&format!(
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"CREATE INDEX IF NOT EXISTS {COMMENT_IP_INDEX} ON {TABLE} ({IP_ADDRESS_COLUMN})"
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))
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.await?;
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Ok(())
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}
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async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
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manager
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.get_connection()
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.execute_unprepared(&format!("DROP INDEX IF EXISTS {COMMENT_IP_INDEX}"))
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.await?;
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for column in [REFERER_COLUMN, USER_AGENT_COLUMN, IP_ADDRESS_COLUMN] {
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if manager.has_column(TABLE, column).await? {
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manager
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.alter_table(
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Table::alter()
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.table(Alias::new(TABLE))
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.drop_column(Alias::new(column))
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.to_owned(),
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)
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.await?;
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}
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}
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Ok(())
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}
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}
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