create & getall for tags

src/api/mod.rs

@@ -33,6 +33,8 @@ pub fn api_router() -> Router {
         .route("/api/sessions/{id}", get(sessions::get_by_id))
         .route("/api/sessions/{id}/revoke", post(sessions::revoke_by_id))
         //
+        .route("/api/tags", get(tags::get_all))
+        .route("/api/tags", post(tags::create))
         .route("/api/tags/{id}", get(tags::get_by_id))
         .route("/api/tags/#{name}", get(tags::get_by_name))
 }

src/api/tags.rs

@@ -4,6 +4,7 @@ use axum::{
     http::HeaderMap,
     response::{IntoResponse, Response},
 };
+use serde::Deserialize;
 use uuid::Uuid;
 
 use crate::{
@@ -15,6 +16,11 @@ use crate::{
     },
 };
 
+pub async fn get_all(headers: HeaderMap) -> Result<Response, CompositeError> {
+    User::authenticate(&headers)?.required()?;
+    Ok(Json(Tag::get_all()?).into_response())
+}
+
 pub async fn get_by_id(
     Path(id): Path<Uuid>,
     headers: HeaderMap,
@@ -30,3 +36,15 @@ pub async fn get_by_name(
     User::authenticate(&headers)?.required()?;
     Ok(Json(Tag::get_by_name(name)?).into_response())
 }
+
+#[derive(Deserialize)]
+pub struct NewTag {
+    name: TagName,
+}
+pub async fn create(
+    headers: HeaderMap,
+    Json(form): Json<NewTag>,
+) -> Result<Response, CompositeError> {
+    User::authenticate(&headers)?.required()?;
+    Ok(Json(Tag::create(form.name)?).into_response())
+}

src/tags.rs

@@ -6,6 +6,7 @@ use axum::{
 };
 use rusqlite::{
     OptionalExtension, Result as RusqliteResult, ToSql,
+    ffi::SQLITE_CONSTRAINT_UNIQUE,
     types::{FromSql, FromSqlError, FromSqlResult, ToSqlOutput, ValueRef},
 };
 use serde::{Deserialize, Serialize};
@@ -20,6 +21,17 @@ pub struct Tag {
 }
 
 impl Tag {
+    pub fn get_all() -> Result<Vec<Tag>, TagError> {
+        Ok(database::conn()?
+            .prepare("SELECT id, tagname FROM tags")?
+            .query_map((), |r| {
+                Ok(Tag {
+                    id: r.get(0)?,
+                    name: r.get(1)?,
+                })
+            })?
+            .collect::<Result<Vec<Tag>, _>>()?)
+    }
     pub fn get_by_id(id: Uuid) -> Result<Tag, TagError> {
         let res = database::conn()?
             .prepare("SELECT tagname FROM tags WHERE id = ?1")?
@@ -50,6 +62,13 @@ impl Tag {
             None => Err(TagError::NoTagWithName(name)),
         }
     }
+    pub fn create(name: TagName) -> Result<Tag, TagError> {
+        let id = Uuid::now_v7();
+        database::conn()?
+            .prepare("INSERT INTO tags(id, tagname) VALUES (?1, ?2)")?
+            .execute((id, &name))?;
+        Ok(Tag { id, name })
+    }
 }
 
 #[derive(Debug, thiserror::Error)]
@@ -60,11 +79,19 @@ pub enum TagError {
     NoTagWithId(Uuid),
     #[error("No tag found with name {0}")]
     NoTagWithName(TagName),
+    #[error("A tag with this name already exists")]
+    TagAlreadyExists,
     #[error("Database error: {0}")]
     DatabaseError(#[from] DatabaseError),
 }
 impl From<rusqlite::Error> for TagError {
     fn from(error: rusqlite::Error) -> Self {
+        if let rusqlite::Error::SqliteFailure(e, Some(msg)) = &error
+            && e.extended_code == SQLITE_CONSTRAINT_UNIQUE
+            && msg.contains("tagname")
+        {
+            return TagError::TagAlreadyExists;
+        }
         TagError::DatabaseError(DatabaseError::from(error))
     }
 }
@@ -72,6 +99,7 @@ impl IntoResponse for TagError {
     fn into_response(self) -> Response {
         match self {
             Self::DatabaseError(e) => e.into_response(),
+            Self::TagAlreadyExists => (StatusCode::CONFLICT, self.to_string()).into_response(),
             Self::TagNameError(_) => (StatusCode::BAD_REQUEST, self.to_string()).into_response(),
             Self::NoTagWithId(_) => (StatusCode::BAD_REQUEST, self.to_string()).into_response(),
             Self::NoTagWithName(_) => (StatusCode::BAD_REQUEST, self.to_string()).into_response(),

src/users/permissions.rs

@@ -11,6 +11,7 @@ pub enum Permission {
     // All Users have the right to change their own handle
     ChangeOthersHandles,
     ManuallyCreateUsers,
+    CreateTags,
 }
 
 impl User {