Move issue creation calls into the jira client

Cargo.lock

@@ -939,8 +939,8 @@ dependencies = [
  "crossterm",
  "directories",
  "gray_matter",
+ "libjirac",
  "open",
- "reqwest",
  "serde",
  "serde_json",
  "tabwriter",
@@ -976,6 +976,19 @@ version = "0.2.169"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5aba8db14291edd000dfcc4d620c7ebfb122c613afb886ca8803fa4e128a20a"
 
+[[package]]
+name = "libjirac"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "http",
+ "reqwest",
+ "serde",
+ "serde_json",
+ "thiserror",
+ "url",
+]
+
 [[package]]
 name = "libredox"
 version = "0.1.3"

Cargo.toml

@@ -5,6 +5,8 @@ resolver = "2"
 [workspace.dependencies]
 clap = { version = "4.4", features = ["derive"] }
 reqwest = { version = "0.12", features = ["json"] }
+http = "1"
+url = "2"
 tokio = { version = "1.0", features = ["full"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
@@ -17,3 +19,4 @@ open = "5.2"
 chrono = { version = "0.4", features = ["serde"] }
 tabwriter = "1.4"
 crossterm = "0.28"
+thiserror = "2"

crates/jirac/Cargo.toml

@@ -4,8 +4,9 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+libjirac = { path = "../libjirac" }
+
 clap = { workspace = true }
-reqwest = { workspace = true }
 tokio = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }

crates/jirac/src/cmd/create.rs

@@ -1,7 +1,11 @@
 use crate::jira_config::JiraConfig;
 use gray_matter::engine::TOML;
 use gray_matter::Matter;
-use reqwest::header::{HeaderMap, HeaderValue, CONTENT_TYPE};
+use libjirac::client::commands::{
+    IssueCreateCommand, IssueTransitionsCommand, IssueTransitionsUpdateCommand,
+};
+use libjirac::client::JiraClient;
+use libjirac::entities::issue_request::*;
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::fs;
@@ -23,84 +27,6 @@ struct IssueMetadata {
     extra: HashMap<String, serde_json::Value>,
 }
 
-#[derive(Debug, Serialize)]
-struct JiraIssueRequest {
-    fields: JiraIssueFields,
-    update: Option<JiraIssueUpdate>,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-struct JiraIssueFields {
-    project: Project,
-    summary: String,
-    description: String,
-    issuetype: IssueType,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    assignee: Option<Assignee>,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    status: Option<Status>,
-}
-
-#[derive(Debug, Serialize)]
-struct JiraIssueUpdate {
-    #[serde(skip_serializing_if = "Option::is_none")]
-    parent: Option<Vec<ParentUpdate>>,
-}
-
-#[derive(Debug, Serialize)]
-struct ParentUpdate {
-    add: Parent,
-}
-
-#[derive(Debug, Serialize)]
-struct Parent {
-    key: String,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-struct Assignee {
-    name: String,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-struct Project {
-    key: String,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-struct IssueType {
-    name: String,
-}
-
-#[derive(Deserialize)]
-struct JiraResponse {
-    key: String,
-}
-
-#[derive(Deserialize)]
-struct JiraSearchResponse {
-    issues: Vec<JiraIssue>,
-    total: u32,
-}
-
-#[derive(Deserialize)]
-struct JiraIssue {
-    key: String,
-    fields: JiraIssueResponseFields,
-}
-
-#[derive(Deserialize)]
-struct JiraIssueResponseFields {
-    summary: String,
-    status: Status,
-    created: String,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-struct Status {
-    name: String,
-}
-
 fn get_issue_template(
     issue_metadata: &IssueMetadata,
 ) -> Result<String, Box<dyn std::error::Error>> {
@@ -216,37 +142,27 @@ async fn create_jira_issue(
     title: &str,
     description: &str,
     metadata: &IssueMetadata,
-) -> Result<JiraResponse, Box<dyn std::error::Error>> {
-    let client = reqwest::Client::new();
+) -> Result<IssueCreateResponse, Box<dyn std::error::Error>> {
+    let client = JiraClient::from(config);
 
-    let mut headers = HeaderMap::new();
-    headers.insert(CONTENT_TYPE, HeaderValue::from_static("application/json"));
-
-    let mut fields = JiraIssueFields {
+    let fields = IssueFields {
         project: Project {
             key: project_key.to_string(),
         },
         summary: title.to_string(),
         description: description.to_string(),
-        issuetype: IssueType {
+        issue_type: IssueType {
             name: "Task".to_string(),
         },
         assignee: None,
         status: None,
     };
 
-    // Add assignee if specified
-    if let Some(assignee) = &metadata.assignee {
-        fields.assignee = Some(Assignee {
-            name: assignee.clone(),
-        });
-    }
-
     let mut update = None;
 
     // Add parent if specified
     if let Some(parent_key) = &metadata.parent {
-        update = Some(JiraIssueUpdate {
+        update = Some(IssueUpdate {
             parent: Some(vec![ParentUpdate {
                 add: Parent {
                     key: parent_key.clone(),
@@ -255,33 +171,24 @@ async fn create_jira_issue(
         });
     }
 
-    let issue = JiraIssueRequest { fields, update };
+    let issue = IssueCreateRequest { fields, update };
 
-    // println!("{:#?}", issue);
-    // Ok(JiraResponse {
-    //     key: format!("{}-1234", project_key),
-    // })
-
-    let response = client
-        .post(format!("{}/rest/api/2/issue", config.url))
-        .basic_auth(&config.email, Some(&config.api_token))
-        .headers(headers)
-        .json(&issue)
-        .send()
-        .await?;
-
-    if !response.status().is_success() {
-        let error_text = response.text().await?;
-        return Err(format!("Failed to create issue: {}", error_text).into());
-    }
-
-    let issue_response = response.json::<JiraResponse>().await?;
+    let create_cmd = IssueCreateCommand::new(issue);
+    let issue_response = client.exec(create_cmd).await?;
 
     // Update status if specified (requires a separate API call)
     if let Some(status) = &metadata.status {
         update_issue_status(config, &issue_response.key, status).await?;
     }
 
+    // Update assignee if specified
+    if let Some(_assignee) = &metadata.assignee {
+        // Need to look up users by username, because the api wants an account id
+        // fields.assignee = Some(Assignee {
+        //     id: assignee.clone(),
+        // });
+    }
+
     Ok(issue_response)
 }
 
@@ -290,52 +197,29 @@ async fn update_issue_status(
     issue_key: &str,
     status: &str,
 ) -> Result<(), Box<dyn std::error::Error>> {
-    let client = reqwest::Client::new();
+    let client = JiraClient::from(config);
 
-    let transitions = client
-        .get(format!(
-            "{}/rest/api/2/issue/{}/transitions",
-            config.url, issue_key
-        ))
-        .basic_auth(&config.email, Some(&config.api_token))
-        .send()
-        .await?
-        .json::<serde_json::Value>()
-        .await?;
+    let transitions_cmd = IssueTransitionsCommand::new(issue_key);
+    let transitions = client.exec(transitions_cmd).await?;
 
     // Find the transition ID for the desired status
-    let transition_id = transitions["transitions"]
-        .as_array()
-        .and_then(|t| {
-            t.iter().find(|t| {
-                t["to"]["name"]
-                    .as_str()
-                    .map_or(false, |s| s.eq_ignore_ascii_case(status))
-            })
+    let transition_id = transitions
+        .transitions
+        .iter()
+        .find_map(|t| {
+            if t.to.name.eq_ignore_ascii_case(status) {
+                Some(t.id.clone())
+            } else {
+                None
+            }
         })
-        .and_then(|t| t["id"].as_str())
         .ok_or_else(|| format!("No transition found for status: {}", status))?;
 
-    // Perform the transition
-    let transition_payload = serde_json::json!({
-        "transition": { "id": transition_id }
-    });
-
-    let response = client
-        .post(format!(
-            "{}/rest/api/2/issue/{}/transitions",
-            config.url, issue_key
-        ))
-        .basic_auth(&config.email, Some(&config.api_token))
-        .json(&transition_payload)
-        .send()
-        .await?;
-
-    if !response.status().is_success() {
-        return Err(format!("Failed to update status: {}", response.text().await?).into());
+    let transition_cmd = IssueTransitionsUpdateCommand::new(issue_key, &transition_id);
+    match client.exec(transition_cmd).await {
+        Ok(x) => Ok(x),
+        Err(reason) => Err(reason.into()),
     }
-
-    Ok(())
 }
 
 pub async fn create(

crates/jirac/src/cmd/search.rs

@@ -1,6 +1,81 @@
 use crate::cli::FormatMode;
 use crate::jira_config::JiraConfig;
-use crate::types::issue::{display_issues_compact, display_issues_json, display_issues_pretty};
+use crate::term::hyperlink;
+use crossterm::style::{Color, Stylize};
+use libjirac::client::commands::SearchCommand;
+use libjirac::client::JiraClient;
+use libjirac::entities::issue::JiraIssue;
+use std::io::Write;
+
+pub fn display_issues_pretty(issues: &[JiraIssue]) -> Result<(), Box<dyn std::error::Error>> {
+    println!("Found {} issues:", issues.len());
+    println!("{:-<80}", "");
+
+    for issue in issues {
+        let mut tw = tabwriter::TabWriter::new(vec![]);
+        writeln!(tw, "{}:\t{}", "Key".blue(), issue.key)?;
+        writeln!(tw, "{}:\t{}", "Summary".blue(), issue.fields.summary)?;
+        writeln!(tw, "{}:\t{}", "Status".blue(), issue.fields.status.name)?;
+        writeln!(
+            tw,
+            "{}:\t{}",
+            "Created".blue(),
+            issue.fields.created.with_timezone(&chrono::Local)
+        )?;
+        writeln!(
+            tw,
+            "{}:\t{}",
+            "Due Date".blue(),
+            match issue.fields.due_date {
+                None => "None".to_string(),
+                Some(x) => x.to_string(),
+            }
+        )?;
+        writeln!(
+            tw,
+            "{}",
+            &hyperlink(&issue.href, &"Open Issue".green().to_string())
+        )?;
+
+        tw.flush().unwrap();
+
+        let written = String::from_utf8(tw.into_inner().unwrap()).unwrap();
+        print!("{}", written);
+        println!("{:-<80}", "");
+    }
+
+    Ok(())
+}
+
+pub fn display_issues_compact(issues: &[JiraIssue]) -> Result<(), Box<dyn std::error::Error>> {
+    println!("Found {} issues:", issues.len());
+    println!("{:-<80}", "");
+
+    let mut tw = tabwriter::TabWriter::new(vec![]);
+    for issue in issues {
+        writeln!(
+            tw,
+            "{}:\t{}",
+            hyperlink(
+                &issue.href,
+                &issue.key.clone().blue().underline(Color::Blue).to_string()
+            ),
+            issue.fields.summary.clone().green()
+        )?;
+    }
+
+    tw.flush().unwrap();
+    let written = String::from_utf8(tw.into_inner().unwrap()).unwrap();
+    print!("{}", written);
+
+    Ok(())
+}
+
+pub fn display_issues_json(issues: &[JiraIssue]) -> Result<(), Box<dyn std::error::Error>> {
+    let j = serde_json::to_string_pretty(issues)?;
+    println!("{}", j);
+    Ok(())
+}
 
 pub async fn exec(output: FormatMode, jql: &str) -> Result<(), Box<dyn std::error::Error>> {
     let config = JiraConfig::load().map_err(|e| format!("Configuration error: {}", e))?;
@@ -8,13 +83,10 @@ pub async fn exec(output: FormatMode, jql: &str) -> Result<(), Box<dyn std::erro
         println!("Searching for issues...");
     }
 
-    let result = match crate::jql::run(&config, jql).await {
-        Ok(x) => x,
-        Err(reason) => {
-            eprintln!("Error fetching issues: {}", reason);
-            std::process::exit(1);
-        }
-    };
+    let client = JiraClient::from(&config);
+
+    let jql_cmd = SearchCommand::new(jql);
+    let result = client.exec(jql_cmd).await?;
 
     match (output, result.issues.is_empty()) {
         (FormatMode::Pretty, false) => {

crates/jirac/src/cmd/view.rs

@@ -1,32 +1,12 @@
 use crate::cli::FormatMode;
 use crate::jira_config::JiraConfig;
 use crate::term::hyperlink;
-use crate::types::issue::JiraIssue;
 use crossterm::style::{Color, Stylize};
+use libjirac::client::commands::{SearchCommand, SelfCommand};
+use libjirac::client::JiraClient;
+use libjirac::entities::issue::JiraIssue;
 use std::io::Write;
 
-async fn fetch_issue(
-    config: &JiraConfig,
-    href: &str,
-) -> Result<JiraIssue, Box<dyn std::error::Error>> {
-    let client = reqwest::Client::new();
-
-    let response = client
-        .get(href)
-        .basic_auth(&config.email, Some(&config.api_token))
-        .send()
-        .await?;
-
-    if !response.status().is_success() {
-        let error_text = response.text().await?;
-        return Err(format!("Failed to fetch issue: {}", error_text).into());
-    }
-
-    let issue_response = response.json::<JiraIssue>().await?;
-
-    Ok(issue_response)
-}
-
 fn pretty_print(issue: &JiraIssue) -> Result<(), Box<dyn std::error::Error>> {
     println!("\n== Title {:=<71}", "");
     println!(
@@ -124,13 +104,10 @@ pub async fn exec(output: FormatMode, issue_key: &str) -> Result<(), Box<dyn std
 
     let jql = format!("key = '{}'", issue_key);
 
-    let matched_issues = match crate::jql::run(&config, &jql).await {
-        Ok(x) => x,
-        Err(reason) => {
-            eprintln!("Error fetching issue: {}", reason);
-            std::process::exit(1);
-        }
-    };
+    let client = JiraClient::from(&config);
+
+    let jql_cmd = SearchCommand::new(&jql);
+    let matched_issues = client.exec(jql_cmd).await?;
 
     let matched_issue = match matched_issues.issues.first() {
         Some(x) => x,
@@ -140,7 +117,8 @@ pub async fn exec(output: FormatMode, issue_key: &str) -> Result<(), Box<dyn std
         }
     };
 
-    let fetched_issue = fetch_issue(&config, &matched_issue.href).await?;
+    let self_cmd = SelfCommand::<JiraIssue>::new(&matched_issue.href);
+    let fetched_issue = client.exec(self_cmd).await?;
 
     match output {
         FormatMode::Pretty => pretty_print(&fetched_issue)?,

crates/jirac/src/jira_config.rs

@@ -1,5 +1,6 @@
 use config::{Config, ConfigError, File};
 use directories::ProjectDirs;
+use libjirac::client::JiraClient;
 use serde::{Deserialize, Serialize};
 use std::fs;
 use std::path::PathBuf;
@@ -66,3 +67,9 @@ impl JiraConfig {
         Ok(())
     }
 }
+
+impl From<&JiraConfig> for JiraClient {
+    fn from(value: &JiraConfig) -> Self {
+        Self::new(&value.url, &value.email, &value.api_token)
+    }
+}

crates/jirac/src/jql.rs

@@ -1,37 +0,0 @@
-use crate::jira_config::JiraConfig;
-use crate::types::issue::JiraIssue;
-use reqwest::header::{HeaderMap, HeaderValue, CONTENT_TYPE};
-use serde::Deserialize;
-
-#[derive(Deserialize)]
-pub struct JiraSearchResponse {
-    pub issues: Vec<JiraIssue>,
-    pub total: u32,
-}
-
-pub async fn run(
-    config: &JiraConfig,
-    jql: &str,
-) -> Result<JiraSearchResponse, Box<dyn std::error::Error>> {
-    let client = reqwest::Client::new();
-
-    let mut headers = HeaderMap::new();
-    headers.insert(CONTENT_TYPE, HeaderValue::from_static("application/json"));
-
-    let query = [("jql", jql)];
-
-    let response = client
-        .get(format!("{}/rest/api/2/search", config.url))
-        .basic_auth(&config.email, Some(&config.api_token))
-        .headers(headers)
-        .query(&query)
-        .send()
-        .await?;
-
-    if !response.status().is_success() {
-        let error_text = response.text().await?;
-        return Err(format!("Failed to fetch issues: {}", error_text).into());
-    }
-
-    Ok(response.json::<JiraSearchResponse>().await?)
-}

crates/jirac/src/main.rs

@@ -1,9 +1,7 @@
 mod cli;
 mod cmd;
 mod jira_config;
-mod jql;
 mod term;
-mod types;
 
 use clap::Parser;
 use cli::{Cli, Commands};

crates/jirac/src/types.rs

@@ -1 +0,0 @@
-pub mod issue;

crates/jirac/src/types/issue.rs

@@ -1,153 +0,0 @@
-use crate::term::hyperlink;
-use crossterm::style::{Color, Stylize};
-use serde::{Deserialize, Serialize};
-use std::io::Write;
-
-#[derive(Debug, Deserialize, Serialize)]
-pub struct JiraIssue {
-    pub key: String,
-    #[serde(rename = "self")]
-    pub href: String,
-    pub fields: JiraIssueResponseFields,
-}
-
-#[derive(Debug, Deserialize, Serialize)]
-pub struct JiraIssueResponseFields {
-    pub summary: String,
-    pub description: Option<String>,
-    pub status: Status,
-    pub created: chrono::DateTime<chrono::Utc>,
-    pub priority: Priority,
-    pub assignee: Person,
-    pub reporter: Person,
-    pub creator: Person,
-    #[serde(rename = "duedate")]
-    pub due_date: Option<chrono::NaiveDate>,
-    pub comment: Option<Comments>,
-    pub votes: Votes,
-}
-
-#[derive(Debug, Deserialize, Serialize)]
-pub struct Status {
-    pub name: String,
-}
-
-#[derive(Debug, Deserialize, Serialize)]
-pub struct Priority {
-    pub name: String,
-    pub id: String,
-}
-
-#[derive(Debug, Clone, Deserialize, Serialize)]
-pub struct Person {
-    #[serde(rename = "self")]
-    pub href: String,
-    #[serde(rename = "displayName")]
-    pub display_name: String,
-    #[serde(rename = "accountId")]
-    pub account_id: String,
-    #[serde(rename = "emailAddress")]
-    pub email_address: Option<String>,
-}
-
-#[derive(Debug, Default, Clone, Deserialize, Serialize)]
-pub struct Comments {
-    pub total: u32,
-    #[serde(rename = "maxResults")]
-    pub max_results: u32,
-    #[serde(rename = "startAt")]
-    pub start_at: u32,
-    pub comments: Vec<Comment>,
-}
-
-#[derive(Debug, Clone, Deserialize, Serialize)]
-pub struct Comment {
-    #[serde(rename = "self")]
-    pub href: String,
-    pub id: String,
-    pub author: Person,
-    pub body: String,
-    #[serde(rename = "updateAuthor")]
-    pub update_author: Person,
-    pub created: chrono::DateTime<chrono::Utc>,
-}
-
-#[derive(Debug, Deserialize, Serialize)]
-pub struct Votes {
-    #[serde(rename = "self")]
-    pub href: String,
-    #[serde(rename = "votes")]
-    pub count: i32,
-    #[serde(rename = "hasVoted")]
-    pub has_voted: bool,
-}
-
-pub fn display_issues_pretty(issues: &[JiraIssue]) -> Result<(), Box<dyn std::error::Error>> {
-    println!("Found {} issues:", issues.len());
-    println!("{:-<80}", "");
-
-    for issue in issues {
-        let mut tw = tabwriter::TabWriter::new(vec![]);
-        writeln!(tw, "{}:\t{}", "Key".blue(), issue.key)?;
-        writeln!(tw, "{}:\t{}", "Summary".blue(), issue.fields.summary)?;
-        writeln!(tw, "{}:\t{}", "Status".blue(), issue.fields.status.name)?;
-        writeln!(
-            tw,
-            "{}:\t{}",
-            "Created".blue(),
-            issue.fields.created.with_timezone(&chrono::Local)
-        )?;
-        writeln!(
-            tw,
-            "{}:\t{}",
-            "Due Date".blue(),
-            match issue.fields.due_date {
-                None => "None".to_string(),
-                Some(x) => x.to_string(),
-            }
-        )?;
-        writeln!(
-            tw,
-            "{}",
-            &hyperlink(&issue.href, &"Open Issue".green().to_string())
-        )?;
-
-        tw.flush().unwrap();
-
-        let written = String::from_utf8(tw.into_inner().unwrap()).unwrap();
-        print!("{}", written);
-        println!("{:-<80}", "");
-    }
-
-    Ok(())
-}
-
-pub fn display_issues_compact(issues: &[JiraIssue]) -> Result<(), Box<dyn std::error::Error>> {
-    println!("Found {} issues:", issues.len());
-    println!("{:-<80}", "");
-
-    let mut tw = tabwriter::TabWriter::new(vec![]);
-    for issue in issues {
-        writeln!(
-            tw,
-            "{}:\t{}",
-            hyperlink(
-                &issue.href,
-                &issue.key.clone().blue().underline(Color::Blue).to_string()
-            ),
-            issue.fields.summary.clone().green()
-        )?;
-    }
-
-    tw.flush().unwrap();
-    let written = String::from_utf8(tw.into_inner().unwrap()).unwrap();
-    print!("{}", written);
-
-    Ok(())
-}
-
-pub fn display_issues_json(issues: &[JiraIssue]) -> Result<(), Box<dyn std::error::Error>> {
-    let j = serde_json::to_string_pretty(issues)?;
-    println!("{}", j);
-    Ok(())
-}

crates/libjirac/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "libjirac"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+serde = { workspace = true }
+serde_json = { workspace = true }
+chrono = { workspace = true }
+reqwest = { workspace = true }
+http = { workspace = true }
+url = { workspace = true }
+thiserror = { workspace = true }

crates/libjirac/src/client.rs

@@ -0,0 +1,155 @@
+pub mod commands;
+
+use http::header::CONTENT_TYPE;
+use http::{HeaderMap, HeaderValue};
+use serde::de::DeserializeOwned;
+use serde::Serialize;
+use std::fmt::Debug;
+use thiserror::Error;
+use url::{ParseError, Url};
+
+pub struct JiraClient {
+    pub url: String,
+    pub email: String,
+    pub api_token: String,
+}
+
+pub trait JiraCommand {
+    type TResponse: DeserializeOwned + Clone;
+    type TPayload: Serialize;
+    const REQUEST_TYPE: JiraRequestType;
+    fn endpoint(&self) -> String;
+    fn request_body(&self) -> Option<&Self::TPayload>;
+    fn query_params(&self) -> Option<Vec<(String, String)>>;
+}
+
+pub enum JiraRequestType {
+    Read,
+    Create,
+    Update,
+    Delete,
+}
+
+impl From<JiraRequestType> for http::Method {
+    fn from(value: JiraRequestType) -> Self {
+        match value {
+            JiraRequestType::Read => Self::GET,
+            JiraRequestType::Create => Self::POST,
+            JiraRequestType::Update => Self::PATCH,
+            JiraRequestType::Delete => Self::DELETE,
+        }
+    }
+}
+
+#[derive(Debug, Error)]
+pub enum JiraClientError {
+    #[error(transparent)]
+    UrlParseError(#[from] ParseError),
+    #[error(transparent)]
+    ReqwestError(#[from] reqwest::Error),
+    #[error(transparent)]
+    SerdeError(#[from] serde_json::Error),
+    #[error("API Error: {0}")]
+    ApiError(String),
+}
+
+impl JiraClient {
+    pub fn new(url: &str, email: &str, api_token: &str) -> Self {
+        Self {
+            url: url.to_string(),
+            email: email.to_string(),
+            api_token: api_token.to_string(),
+        }
+    }
+
+    pub async fn exec<TCommand>(
+        &self,
+        cmd: TCommand,
+    ) -> Result<TCommand::TResponse, JiraClientError>
+    where
+        TCommand: JiraCommand + Debug,
+    {
+        let client = reqwest::Client::new();
+
+        let mut headers = HeaderMap::new();
+        headers.insert(CONTENT_TYPE, HeaderValue::from_static("application/json"));
+
+        let url = self.construct_url(&cmd.endpoint())?;
+
+        let mut request_builder = client
+            .request(TCommand::REQUEST_TYPE.into(), url)
+            .basic_auth(&self.email, Some(&self.api_token))
+            .headers(headers);
+
+        if let Some(params) = cmd.query_params() {
+            request_builder = request_builder.query(&params);
+        }
+
+        if let Some(body) = cmd.request_body() {
+            request_builder = request_builder.json(body);
+        }
+
+        let response = match request_builder.send().await {
+            Ok(x) => x,
+            Err(reason) => return Err(JiraClientError::ReqwestError(reason)),
+        };
+
+        if !response.status().is_success() {
+            let error_text = response.text().await?;
+            return Err(JiraClientError::ApiError(error_text));
+        }
+
+        let plain = match response.bytes().await {
+            Ok(x) => x,
+            Err(reason) => return Err(JiraClientError::ReqwestError(reason)),
+        };
+
+        let value = match is_unit::<TCommand::TResponse>() {
+            true => b"null",
+            false => plain.as_ref(),
+        };
+
+        match serde_json::from_slice::<TCommand::TResponse>(value) {
+            Ok(x) => Ok(x),
+            Err(reason) => Err(JiraClientError::SerdeError(reason)),
+        }
+    }
+
+    fn construct_url(&self, endpoint: &str) -> Result<String, JiraClientError> {
+        let mut url = match Url::parse(&self.url) {
+            Ok(x) => x,
+            Err(reason) => {
+                return Err(JiraClientError::UrlParseError(reason));
+            }
+        };
+
+        url.set_path(endpoint);
+
+        Ok(url.to_string())
+    }
+}
+
+const fn is_unit<T>() -> bool {
+    size_of::<T>() == 0 && align_of::<T>() == 1
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_is_unit_type() {
+        assert!(is_unit::<()>());
+        assert!(!is_unit::<String>());
+    }
+
+    #[test]
+    fn deserialize_unit_type() {
+        let value = match is_unit::<()>() {
+            true => b"null".as_ref(),
+            false => b"{}".as_ref(),
+        };
+
+        serde_json::from_slice::<()>(value).unwrap();
+    }
+}

crates/libjirac/src/client/commands.rs

@@ -0,0 +1,11 @@
+mod issue_create_command;
+mod issue_transitions_command;
+mod issue_transitions_update_command;
+mod search_command;
+mod self_command;
+
+pub use issue_create_command::IssueCreateCommand;
+pub use issue_transitions_command::IssueTransitionsCommand;
+pub use issue_transitions_update_command::IssueTransitionsUpdateCommand;
+pub use search_command::SearchCommand;
+pub use self_command::SelfCommand;

crates/libjirac/src/client/commands/issue_create_command.rs

@@ -0,0 +1,31 @@
+use crate::client::{JiraCommand, JiraRequestType};
+use crate::entities::issue_request::{IssueCreateRequest, IssueCreateResponse};
+
+#[derive(Debug)]
+pub struct IssueCreateCommand {
+    issue: IssueCreateRequest,
+}
+
+impl IssueCreateCommand {
+    pub fn new(issue: IssueCreateRequest) -> Self {
+        Self { issue }
+    }
+}
+
+impl JiraCommand for IssueCreateCommand {
+    type TResponse = IssueCreateResponse;
+    type TPayload = IssueCreateRequest;
+    const REQUEST_TYPE: JiraRequestType = JiraRequestType::Create;
+
+    fn endpoint(&self) -> String {
+        "/rest/api/2/issue".to_string()
+    }
+
+    fn request_body(&self) -> Option<&Self::TPayload> {
+        Some(&self.issue)
+    }
+
+    fn query_params(&self) -> Option<Vec<(String, String)>> {
+        None
+    }
+}

crates/libjirac/src/client/commands/issue_transitions_command.rs

@@ -0,0 +1,33 @@
+use crate::client::{JiraCommand, JiraRequestType};
+use crate::entities::transitions::Transitions;
+
+#[derive(Debug)]
+pub struct IssueTransitionsCommand {
+    issue_key: String,
+}
+
+impl IssueTransitionsCommand {
+    pub fn new(issue_key: &str) -> Self {
+        Self {
+            issue_key: issue_key.to_string(),
+        }
+    }
+}
+
+impl JiraCommand for IssueTransitionsCommand {
+    type TResponse = Transitions;
+    type TPayload = ();
+    const REQUEST_TYPE: JiraRequestType = JiraRequestType::Read;
+
+    fn endpoint(&self) -> String {
+        format!("/rest/api/3/issue/{}/transitions", self.issue_key)
+    }
+
+    fn request_body(&self) -> Option<&Self::TPayload> {
+        None
+    }
+
+    fn query_params(&self) -> Option<Vec<(String, String)>> {
+        None
+    }
+}

crates/libjirac/src/client/commands/issue_transitions_update_command.rs

@@ -0,0 +1,39 @@
+use crate::client::{JiraCommand, JiraRequestType};
+use crate::entities::transitions::{IssueTransitionUpdatePayload, IssueTransitionUpdatePayloadId};
+
+#[derive(Debug)]
+pub struct IssueTransitionsUpdateCommand {
+    pub issue_key: String,
+    pub transition: IssueTransitionUpdatePayload,
+}
+
+impl IssueTransitionsUpdateCommand {
+    pub fn new(issue_key: &str, transition_id: &str) -> Self {
+        Self {
+            issue_key: issue_key.to_string(),
+            transition: IssueTransitionUpdatePayload {
+                transition: IssueTransitionUpdatePayloadId {
+                    id: transition_id.to_string(),
+                },
+            },
+        }
+    }
+}
+
+impl JiraCommand for IssueTransitionsUpdateCommand {
+    type TResponse = ();
+    type TPayload = IssueTransitionUpdatePayload;
+    const REQUEST_TYPE: JiraRequestType = JiraRequestType::Create;
+
+    fn endpoint(&self) -> String {
+        format!("/rest/api/3/issue/{}/transitions", self.issue_key)
+    }
+
+    fn request_body(&self) -> Option<&Self::TPayload> {
+        Some(&self.transition)
+    }
+
+    fn query_params(&self) -> Option<Vec<(String, String)>> {
+        None
+    }
+}

crates/libjirac/src/client/commands/search_command.rs

@@ -0,0 +1,35 @@
+use crate::client::{JiraCommand, JiraRequestType};
+use crate::entities::search::JiraSearchResponse;
+
+#[derive(Debug)]
+pub struct SearchCommand {
+    jql: String,
+}
+
+impl SearchCommand {
+    pub fn new(jql: &str) -> Self {
+        Self {
+            jql: jql.to_string(),
+        }
+    }
+}
+
+impl JiraCommand for SearchCommand {
+    type TResponse = JiraSearchResponse;
+    type TPayload = ();
+    const REQUEST_TYPE: JiraRequestType = JiraRequestType::Read;
+
+    fn endpoint(&self) -> String {
+        "/rest/api/2/search".to_string()
+    }
+
+    fn request_body(&self) -> Option<&Self::TPayload> {
+        None
+    }
+
+    fn query_params(&self) -> Option<Vec<(String, String)>> {
+        let params = vec![("jql".to_string(), self.jql.clone())];
+
+        Some(params)
+    }
+}

crates/libjirac/src/client/commands/self_command.rs

@@ -0,0 +1,46 @@
+use crate::client::{JiraCommand, JiraRequestType};
+use serde::de::DeserializeOwned;
+use url::Url;
+
+#[derive(Debug)]
+pub struct SelfCommand<T>
+where
+    T: DeserializeOwned + Clone,
+{
+    href: String,
+    _marker: std::marker::PhantomData<T>,
+}
+
+impl<T> SelfCommand<T>
+where
+    T: DeserializeOwned + Clone,
+{
+    pub fn new(href: &str) -> Self {
+        Self {
+            href: href.to_owned(),
+            _marker: std::marker::PhantomData,
+        }
+    }
+}
+
+impl<T> JiraCommand for SelfCommand<T>
+where
+    T: DeserializeOwned + Clone,
+{
+    type TResponse = T;
+    type TPayload = ();
+    const REQUEST_TYPE: JiraRequestType = JiraRequestType::Read;
+
+    fn endpoint(&self) -> String {
+        let url = Url::parse(&self.href).unwrap();
+        url.path().to_string()
+    }
+
+    fn request_body(&self) -> Option<&Self::TPayload> {
+        None
+    }
+
+    fn query_params(&self) -> Option<Vec<(String, String)>> {
+        None
+    }
+}

crates/libjirac/src/entities.rs

@@ -0,0 +1,4 @@
+pub mod issue;
+pub mod issue_request;
+pub mod search;
+pub mod transitions;

crates/libjirac/src/entities/issue.rs

@@ -0,0 +1,80 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct JiraIssue {
+    pub key: String,
+    #[serde(rename = "self")]
+    pub href: String,
+    pub fields: JiraIssueResponseFields,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct JiraIssueResponseFields {
+    pub summary: String,
+    pub description: Option<String>,
+    pub status: Status,
+    pub created: chrono::DateTime<chrono::Utc>,
+    pub priority: Priority,
+    pub assignee: Person,
+    pub reporter: Person,
+    pub creator: Person,
+    #[serde(rename = "duedate")]
+    pub due_date: Option<chrono::NaiveDate>,
+    pub comment: Option<Comments>,
+    pub votes: Votes,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct Status {
+    pub name: String,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct Priority {
+    pub name: String,
+    pub id: String,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct Person {
+    #[serde(rename = "self")]
+    pub href: String,
+    #[serde(rename = "displayName")]
+    pub display_name: String,
+    #[serde(rename = "accountId")]
+    pub account_id: String,
+    #[serde(rename = "emailAddress")]
+    pub email_address: Option<String>,
+}
+
+#[derive(Debug, Default, Clone, Deserialize, Serialize)]
+pub struct Comments {
+    pub total: u32,
+    #[serde(rename = "maxResults")]
+    pub max_results: u32,
+    #[serde(rename = "startAt")]
+    pub start_at: u32,
+    pub comments: Vec<Comment>,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct Comment {
+    #[serde(rename = "self")]
+    pub href: String,
+    pub id: String,
+    pub author: Person,
+    pub body: String,
+    #[serde(rename = "updateAuthor")]
+    pub update_author: Person,
+    pub created: chrono::DateTime<chrono::Utc>,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct Votes {
+    #[serde(rename = "self")]
+    pub href: String,
+    #[serde(rename = "votes")]
+    pub count: i32,
+    #[serde(rename = "hasVoted")]
+    pub has_voted: bool,
+}

crates/libjirac/src/entities/issue_request.rs

@@ -0,0 +1,61 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct IssueCreateResponse {
+    pub key: String,
+}
+
+#[derive(Debug, Clone, Serialize)]
+pub struct IssueCreateRequest {
+    pub fields: IssueFields,
+    pub update: Option<IssueUpdate>,
+}
+
+#[derive(Debug, Clone, Serialize)]
+pub struct IssueUpdate {
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub parent: Option<Vec<ParentUpdate>>,
+}
+
+#[derive(Debug, Clone, Serialize)]
+pub struct ParentUpdate {
+    pub add: Parent,
+}
+
+#[derive(Debug, Clone, Serialize)]
+pub struct Parent {
+    pub key: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct IssueFields {
+    pub project: Project,
+    pub summary: String,
+    pub description: String,
+    #[serde(rename = "issuetype")]
+    pub issue_type: IssueType,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub assignee: Option<Assignee>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub status: Option<Status>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Assignee {
+    pub id: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Project {
+    pub key: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct IssueType {
+    pub name: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Status {
+    pub name: String,
+}

crates/libjirac/src/entities/search.rs

@@ -0,0 +1,8 @@
+use crate::entities::issue::JiraIssue;
+use serde::Deserialize;
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct JiraSearchResponse {
+    pub issues: Vec<JiraIssue>,
+    pub total: u32,
+}

crates/libjirac/src/entities/transitions.rs

@@ -0,0 +1,29 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct Transitions {
+    pub transitions: Vec<Transition>,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct Transition {
+    pub id: String,
+    pub to: TransitionTarget,
+    pub name: String,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct TransitionTarget {
+    pub id: String,
+    pub name: String,
+}
+
+#[derive(Debug, Serialize)]
+pub struct IssueTransitionUpdatePayload {
+    pub transition: IssueTransitionUpdatePayloadId,
+}
+
+#[derive(Debug, Serialize)]
+pub struct IssueTransitionUpdatePayloadId {
+    pub id: String,
+}

crates/libjirac/src/lib.rs

@@ -0,0 +1,2 @@
+pub mod client;
+pub mod entities;