59 lines
1.6 KiB
Rust
59 lines
1.6 KiB
Rust
use serde_yaml::Value;
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use std::vec::Vec;
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pub type ValidationResult = Result<(), String>;
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use config::read;
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use config::validate_types::check_config_types;
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fn check_required_keys(config: Value) -> ValidationResult {
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for key in vec!["input", "output", "title"].iter() {
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if config.get(key).is_none() {
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return Err(format!("Missing required key {}.", key));
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}
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}
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return Ok(());
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}
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fn check_input_files(config: Value) -> ValidationResult {
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let files = read::get_input_files(config);
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for file in files.iter() {
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if !file.exists() || !file.is_file() {
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return Err(format!("Cannot find input file at {}.", file.as_path().display()));
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}
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}
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return Ok(());
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}
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fn check_output_files(config: Value) -> ValidationResult {
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let files = read::get_output_files(config);
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let output_types = vec!["pdf".into()];
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for file_def in files.iter() {
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let dir = file_def.1.parent().unwrap();
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if !dir.exists() || !dir.is_dir() {
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return Err(format!("Cannot find output directory at {}.", dir.display()));
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}
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if !output_types.contains(file_def.0) {
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return Err(format!("Invalid output type {}.", file_def.0));
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}
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}
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return Ok(());
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}
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pub fn unwrap_group(config: Value, funcs: Vec<&Fn(Value) -> ValidationResult>) -> ValidationResult {
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for func in funcs.iter() {
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try!(func(config.clone()));
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}
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return Ok(());
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}
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pub fn validate(config: Value) -> ValidationResult {
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return unwrap_group(
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config,
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vec![&check_required_keys, &check_config_types, &check_input_files, &check_output_files]
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);
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}
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