1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140

// Copyright Materialize, Inc. and contributors. All rights reserved.
//
// Use of this software is governed by the Business Source License
// included in the LICENSE file.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0.

use std::cmp;

use anyhow::{bail, Context};
use regex::Regex;
use tokio::fs;

use crate::action::{ControlFlow, State};
use crate::parser::BuiltinCommand;

pub const DEFAULT_REGEX_REPLACEMENT: &str = "<regex_match>";

pub fn run_regex_set(
    mut cmd: BuiltinCommand,
    state: &mut State,
) -> Result<ControlFlow, anyhow::Error> {
    let regex: Regex = cmd.args.parse("match")?;
    let replacement = cmd
        .args
        .opt_string("replacement")
        .unwrap_or_else(|| DEFAULT_REGEX_REPLACEMENT.into());
    cmd.args.done()?;

    state.regex = Some(regex);
    state.regex_replacement = replacement;
    Ok(ControlFlow::Continue)
}

pub fn run_regex_unset(
    cmd: BuiltinCommand,
    state: &mut State,
) -> Result<ControlFlow, anyhow::Error> {
    cmd.args.done()?;
    state.regex = None;
    state.regex_replacement = DEFAULT_REGEX_REPLACEMENT.to_string();
    Ok(ControlFlow::Continue)
}

pub fn run_sql_timeout(
    mut cmd: BuiltinCommand,
    state: &mut State,
) -> Result<ControlFlow, anyhow::Error> {
    let duration = cmd.args.string("duration")?;
    let duration = if duration.to_lowercase() == "default" {
        None
    } else {
        Some(humantime::parse_duration(&duration).context("parsing duration")?)
    };
    let force = cmd.args.opt_bool("force")?.unwrap_or(false);
    cmd.args.done()?;
    state.timeout = duration.unwrap_or(state.default_timeout);
    if !force {
        // Bump the timeout to be at least the default timeout unless the
        // timeout has been forced.
        state.timeout = cmp::max(state.timeout, state.default_timeout);
    }
    Ok(ControlFlow::Continue)
}

pub fn run_max_tries(
    mut cmd: BuiltinCommand,
    state: &mut State,
) -> Result<ControlFlow, anyhow::Error> {
    let max_tries = cmd.args.string("max-tries")?;
    cmd.args.done()?;
    state.max_tries = max_tries.parse::<usize>()?;
    Ok(ControlFlow::Continue)
}

pub fn run_set_arg_default(
    cmd: BuiltinCommand,
    state: &mut State,
) -> Result<ControlFlow, anyhow::Error> {
    for (key, val) in cmd.args {
        let arg_key = format!("arg.{key}");
        state.cmd_vars.entry(arg_key).or_insert(val);
    }

    Ok(ControlFlow::Continue)
}

pub fn set_vars(cmd: BuiltinCommand, state: &mut State) -> Result<ControlFlow, anyhow::Error> {
    for (key, val) in cmd.args {
        if val.is_empty() {
            state.cmd_vars.insert(key, cmd.input.join("\n"));
        } else {
            state.cmd_vars.insert(key, val);
        }
    }

    Ok(ControlFlow::Continue)
}

pub async fn run_set_from_sql(
    mut cmd: BuiltinCommand,
    state: &mut State,
) -> Result<ControlFlow, anyhow::Error> {
    let var = cmd.args.string("var")?;
    cmd.args.done()?;

    let row = state
        .materialize
        .pgclient
        .query_one(&cmd.input.join("\n"), &[])
        .await
        .context("running query")?;
    if row.columns().len() != 1 {
        bail!(
            "set-from-sql query must return exactly one column, but it returned {}",
            row.columns().len()
        );
    }
    let value: String = row.try_get(0).context("deserializing value as string")?;

    state.cmd_vars.insert(var, value);

    Ok(ControlFlow::Continue)
}

pub async fn run_set_from_file(
    cmd: BuiltinCommand,
    state: &mut State,
) -> Result<ControlFlow, anyhow::Error> {
    for (key, path) in cmd.args {
        println!("Setting {} to contents of {}...", key, path);
        let contents = fs::read_to_string(&path)
            .await
            .with_context(|| format!("reading {path}"))?;
        state.cmd_vars.insert(key, contents);
    }
    Ok(ControlFlow::Continue)
}