Use Pleroma-compliant instance version in /api/v1/instance

https://codeberg.org/silverpill/mitra/issues/4

Cargo.lock

@@ -1686,7 +1686,7 @@ dependencies = [
 
 [[package]]
 name = "mitra"
-version = "0.2.0"
+version = "0.4.0"
 dependencies = [
  "actix-cors",
  "actix-files",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mitra"
-version = "0.2.0"
+version = "0.4.0"
 description = "Mitra backend"
 license = "AGPL-3.0"
 

docs/openapi.yaml

@@ -571,8 +571,9 @@ components:
           description: Admin-defined description of the site.
           type: string
         version:
-          description: The version of Mitra server.
+          description: Mastodon API compatibility version and the version of Mitra server.
           type: string
+          example: '3.0.0 (compatible; Mitra 0.4.0)'
         registrations:
           description: Whether registrations are enabled.
           type: boolean

src/mastodon_api/instance/types.rs

@@ -2,6 +2,7 @@ use serde::Serialize;
 
 use crate::config::Config;
 use crate::ethereum::contracts::ADAPTER;
+use crate::mastodon_api::MASTODON_API_VERSION;
 
 #[derive(Serialize)]
 pub struct InstanceInfo {
@@ -19,6 +20,14 @@ pub struct InstanceInfo {
     ipfs_gateway_url: Option<String>,
 }
 
+fn get_full_api_version(version: &str) -> String {
+    format!(
+        "{0} (compatible; Mitra {1})",
+        MASTODON_API_VERSION,
+        version,
+    )
+}
+
 impl From<&Config> for InstanceInfo {
     fn from(config: &Config) -> Self {
         Self {
@@ -26,7 +35,7 @@ impl From<&Config> for InstanceInfo {
             title: config.instance_title.clone(),
             short_description: config.instance_short_description.clone(),
             description: config.instance_description.clone(),
-            version: config.version.clone(),
+            version: get_full_api_version(&config.version),
             registrations: config.registrations_open,
             login_message: config.login_message.clone(),
             blockchain_explorer_url: config.blockchain.as_ref()

src/mastodon_api/mod.rs

@@ -8,3 +8,5 @@ pub mod oauth;
 pub mod search;
 pub mod statuses;
 pub mod timelines;
+
+pub const MASTODON_API_VERSION: &str = "3.0.0";