feat: refactor frontend configuration

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/cuddle-please-frontend/src/gatheres/cli.rs

@@ -0,0 +1,71 @@
+use std::path::PathBuf;
+
+use clap::Args;
+
+use crate::stage0_config::{
+    PleaseConfigBuilder, PleaseProjectConfigBuilder, PleaseSettingsConfigBuilder,
+};
+
+#[derive(Args, Debug, Clone)]
+pub struct ConfigArgs {
+    /// Which repository to publish against. If not supplied remote url will be inferred from environment or fail if not present.
+    #[arg(
+        env = "CUDDLE_PLEASE_API_URL",
+        long,
+        global = true,
+        help_heading = "Config"
+    )]
+    pub api_url: Option<String>,
+
+    /// repo is the name of repository you want to release for
+    #[arg(
+        env = "CUDDLE_PLEASE_REPO",
+        long,
+        global = true,
+        help_heading = "Config"
+    )]
+    pub repo: Option<String>,
+
+    /// owner is the name of user from which the repository belongs <user>/<repo>
+    #[arg(
+        env = "CUDDLE_PLEASE_OWNER",
+        long,
+        global = true,
+        help_heading = "Config"
+    )]
+    pub owner: Option<String>,
+
+    /// which source directory to use, if not set `std::env::current_dir` is used instead.
+    #[arg(
+        env = "CUDDLE_PLEASE_SOURCE",
+        long,
+        global = true,
+        help_heading = "Config"
+    )]
+    pub source: Option<PathBuf>,
+
+    /// which branch is being run from
+    #[arg(
+        env = "CUDDLE_PLEASE_BRANCH",
+        long,
+        global = true,
+        help_heading = "Config"
+    )]
+    pub branch: Option<String>,
+}
+
+impl From<ConfigArgs> for PleaseConfigBuilder {
+    fn from(value: ConfigArgs) -> Self {
+        Self {
+            project: Some(PleaseProjectConfigBuilder {
+                owner: value.owner,
+                repository: value.repo,
+                source: value.source,
+                branch: value.branch,
+            }),
+            settings: Some(PleaseSettingsConfigBuilder {
+                api_url: value.api_url,
+            }),
+        }
+    }
+}

crates/cuddle-please-frontend/src/gatheres/config_file.rs

@@ -0,0 +1,80 @@
+use std::path::{Path, PathBuf};
+
+use serde::{de::DeserializeOwned, Deserialize, Serialize};
+
+use crate::stage0_config::PleaseConfigBuilder;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+struct CuddleEmbeddedPleaseConfig {
+    please: PleaseConfigBuilder,
+}
+
+impl From<CuddleEmbeddedPleaseConfig> for PleaseConfigBuilder {
+    fn from(value: CuddleEmbeddedPleaseConfig) -> Self {
+        value.please
+    }
+}
+#[derive(Debug, Clone, Serialize, Deserialize)]
+struct CuddlePleaseConfig {
+    #[serde(flatten)]
+    please: PleaseConfigBuilder,
+}
+impl From<CuddlePleaseConfig> for PleaseConfigBuilder {
+    fn from(value: CuddlePleaseConfig) -> Self {
+        value.please
+    }
+}
+
+const CUDDLE_FILE_NAME: &str = "cuddle";
+const CUDDLE_CONFIG_FILE_NAME: &str = "cuddle.please";
+const YAML_EXTENSION: &str = "yaml";
+
+pub fn get_config_from_config_file(current_dir: &Path) -> PleaseConfigBuilder {
+    let current_cuddle_path = current_dir
+        .clone()
+        .join(format!("{CUDDLE_FILE_NAME}.{YAML_EXTENSION}"));
+    let current_cuddle_config_path = current_dir
+        .clone()
+        .join(format!("{CUDDLE_CONFIG_FILE_NAME}.{YAML_EXTENSION}"));
+    let mut please_config = PleaseConfigBuilder::default();
+
+    if let Some(config) = get_config_from_file::<CuddleEmbeddedPleaseConfig>(current_cuddle_path) {
+        please_config = please_config.merge(&config).clone();
+    }
+
+    if let Some(config) = get_config_from_file::<CuddlePleaseConfig>(current_cuddle_config_path) {
+        please_config = please_config.merge(&config).clone();
+    }
+
+    please_config
+}
+
+pub fn get_config_from_file<T>(current_cuddle_path: PathBuf) -> Option<PleaseConfigBuilder>
+where
+    T: DeserializeOwned,
+    T: Into<PleaseConfigBuilder>,
+{
+    match std::fs::File::open(&current_cuddle_path) {
+        Ok(file) => match serde_yaml::from_reader::<_, T>(file) {
+            Ok(config) => {
+                return Some(config.into());
+            }
+            Err(e) => {
+                tracing::debug!(
+                    "{} doesn't contain a valid please config: {}",
+                    &current_cuddle_path.display(),
+                    e
+                );
+            }
+        },
+        Err(e) => {
+            tracing::debug!(
+                "did not find or was not allowed to read {}, error: {}",
+                &current_cuddle_path.display(),
+                e,
+            );
+        }
+    }
+
+    None
+}

crates/cuddle-please-frontend/src/gatheres/execution_env.rs

@@ -0,0 +1,53 @@
+use std::{collections::HashMap, path::PathBuf};
+
+use crate::stage0_config::{PleaseConfigBuilder, PleaseProjectConfigBuilder};
+
+pub fn get_from_environment(vars: std::env::Vars) -> PleaseConfigBuilder {
+    let vars: HashMap<String, String> = vars.collect();
+
+    let env = detect_environment(&vars);
+
+    match env {
+        ExecutionEnvironment::Local => PleaseConfigBuilder {
+            project: Some(PleaseProjectConfigBuilder {
+                source: Some(PathBuf::from(".")),
+                ..Default::default()
+            }),
+            settings: None,
+        },
+        ExecutionEnvironment::Drone => PleaseConfigBuilder {
+            project: Some(PleaseProjectConfigBuilder {
+                owner: Some(
+                    vars.get("DRONE_REPO_OWNER")
+                        .expect("DRONE_REPO_OWNER to be present")
+                        .clone(),
+                ),
+                repository: Some(
+                    vars.get("DRONE_REPO_NAME")
+                        .expect("DRONE_REPO_NAME to be present")
+                        .clone(),
+                ),
+                source: Some(PathBuf::from(".")),
+                branch: Some(
+                    vars.get("DRONE_REPO_BRANCH")
+                        .expect("DRONE_REPO_BRANCH to be present")
+                        .clone(),
+                ),
+            }),
+            settings: None,
+        },
+    }
+}
+
+pub fn detect_environment(vars: &HashMap<String, String>) -> ExecutionEnvironment {
+    if let Some(_) = vars.get("DRONE".into()) {
+        return ExecutionEnvironment::Drone;
+    }
+
+    ExecutionEnvironment::Local
+}
+
+pub enum ExecutionEnvironment {
+    Local,
+    Drone,
+}

crates/cuddle-please-frontend/src/gatheres/mod.rs

@@ -0,0 +1,9 @@
+mod cli;
+mod config_file;
+mod execution_env;
+mod stdin;
+
+pub use cli::ConfigArgs;
+pub(crate) use config_file::get_config_from_config_file;
+pub(crate) use execution_env::get_from_environment;
+pub(crate) use stdin::get_config_from_stdin;

crates/cuddle-please-frontend/src/gatheres/stdin.rs

@@ -0,0 +1,19 @@
+use serde::Deserialize;
+
+use crate::stage0_config::PleaseConfigBuilder;
+
+pub fn get_config_from_stdin<'d, T>(stdin: &'d str) -> PleaseConfigBuilder
+where
+    T: Deserialize<'d>,
+    T: Into<PleaseConfigBuilder>,
+{
+    match serde_yaml::from_str::<'d, T>(stdin) {
+        Ok(config) => {
+            return config.into();
+        }
+        Err(e) => {
+            tracing::debug!("stdin doesn't contain a valid please config: {}", e);
+        }
+    }
+    PleaseConfigBuilder::default()
+}