kpcli: client: adds printing of conversations

kpcli/src/client_cli.rs

@@ -0,0 +1,48 @@
+use kordophone::APIInterface;
+use kordophone::api::http_client::HTTPAPIClient;
+use kordophone::api::http_client::Credentials;
+
+use dotenv;
+use crate::printers::ConversationPrinter;
+
+pub struct ClientCli {
+    api: HTTPAPIClient,
+}
+
+impl ClientCli {
+    pub fn new() -> Self {
+        dotenv::dotenv().ok();
+
+        // read from env
+        let base_url = std::env::var("KORDOPHONE_API_URL")
+            .expect("KORDOPHONE_API_URL must be set");
+
+        let credentials = Credentials {
+            username: std::env::var("KORDOPHONE_USERNAME")
+                .expect("KORDOPHONE_USERNAME must be set"),
+
+            password: std::env::var("KORDOPHONE_PASSWORD")
+                .expect("KORDOPHONE_PASSWORD must be set"),
+        };
+
+        let api = HTTPAPIClient::new(base_url.parse().unwrap(), credentials.into());
+        Self { api: api }
+    }
+
+    pub async fn print_version(&mut self) -> Result<(), Box<dyn std::error::Error>> {
+        let version = self.api.get_version().await?;
+        println!("Version: {}", version);
+        Ok(())
+    }
+
+    pub async fn print_conversations(&mut self) -> Result<(), Box<dyn std::error::Error>> {
+        let conversations = self.api.get_conversations().await?;
+        for conversation in conversations {
+            println!("{}", ConversationPrinter::new(&conversation));
+        }
+
+        Ok(())
+    }
+}
+
+

kpcli/src/main.rs

@@ -1,9 +1,12 @@
-use clap::{Parser, Subcommand};
-use kordophone::APIInterface;
+mod client_cli;
+mod printers;
 
+use clap::{Parser, Subcommand};
+use client_cli::ClientCli;
+
+/// A command line interface for the Kordophone library and daemon
 #[derive(Parser)]
 #[command(name = "kpcli")]
-#[command(about = "CLI tool for the Kordophone daemon")]
 struct Cli {
     #[command(subcommand)]
     command: Commands,
@@ -20,24 +23,28 @@ enum Commands {
 
 #[derive(Subcommand)]
 enum ClientCommands {
-    ListConversations,
+    /// Prints all known conversations on the server.
+    Conversations,
+
+    /// Prints the server Kordophone version.
     Version,
 }
 
-fn main() {
-    let cli = Cli::parse();
-
-    match cli.command {
+async fn run_command(command: Commands) -> Result<(), Box<dyn std::error::Error>> {
+    let mut client = ClientCli::new();
+    match command {
         Commands::Client { command } => match command {
-            ClientCommands::ListConversations => {
-                println!("Listing conversations...");
-                // TODO: Implement conversation listing
-            }, 
-
-            ClientCommands::Version => {
-                println!("Getting version...");
-                // TODO: Implement version getting
-            },
+            ClientCommands::Version => client.print_version().await,
+            ClientCommands::Conversations => client.print_conversations().await,
         },
     }
 }
+
+#[tokio::main]
+async fn main() {
+    let cli = Cli::parse();
+
+    run_command(cli.command).await
+        .map_err(|e| log::error!("Error: {}", e))
+        .err();
+}

kpcli/src/printers.rs

@@ -0,0 +1,58 @@
+use std::fmt::Display;
+
+use pretty::RcDoc;
+use kordophone::model::Conversation;
+
+pub struct ConversationPrinter<'a> {
+    doc: RcDoc<'a, Conversation>
+}
+
+impl<'a> ConversationPrinter<'a> {
+    pub fn new(conversation: &'a Conversation) -> Self {
+        let preview = conversation.last_message_preview
+            .as_deref()
+            .unwrap_or("<null>")
+            .replace('\n', " ");
+
+        let doc = RcDoc::text(format!("<Conversation: \"{}\"", &conversation.guid))
+            .append(
+                RcDoc::line()
+                    .append("Display Name: ")
+                    .append(conversation.display_name.as_deref().unwrap_or("<null>"))
+                .append(RcDoc::line())
+                    .append("Date: ")
+                    .append(conversation.date.to_string())
+                .append(RcDoc::line())
+                    .append("Participants: ")
+                    .append("[")
+                    .append(RcDoc::line()
+                        .append(
+                            conversation.participant_display_names
+                                .iter()
+                                .map(|name| 
+                                    RcDoc::text(name)
+                                        .append(",")
+                                        .append(RcDoc::line())
+                                )
+                                .fold(RcDoc::nil(), |acc, x| acc.append(x))
+                        )
+                        .nest(4)
+                    )
+                    .append("]")
+                .append(RcDoc::line())
+                    .append("Last Message Preview: ")
+                    .append(preview)
+                .nest(4)
+            )
+            .append(RcDoc::line())
+            .append(">");
+
+        ConversationPrinter { doc }
+    }
+}
+
+impl<'a> Display for ConversationPrinter<'a> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        self.doc.render_fmt(180, f)
+    }
+}