Add endpoint handlers

backend/sync_server/src/server/update_document.rs

@@ -0,0 +1,110 @@
+use crate::app_state::AppState;
+use crate::database::models::DocumentId;
+use crate::database::models::DocumentVersionId;
+use crate::database::models::DocumentVersionWithoutContent;
+use crate::database::models::StoredDocumentVersion;
+use crate::database::models::VaultId;
+use crate::errors::client_error;
+use crate::errors::not_found_error;
+use crate::errors::server_error;
+use crate::errors::SyncServerError;
+use anyhow::anyhow;
+use anyhow::Context;
+use axum::extract::Path;
+use axum::extract::State;
+use axum::Json;
+use sync_lib::base64_to_bytes;
+use sync_lib::base64_to_string;
+
+use super::requests::CreateDocumentVersion;
+
+#[axum::debug_handler]
+pub async fn update_document(
+    Path((vault_id, document_id, parent_version_id)): Path<(
+        VaultId,
+        DocumentId,
+        DocumentVersionId,
+    )>,
+    State(state): State<AppState>,
+    Json(request): Json<CreateDocumentVersion>,
+) -> Result<Json<DocumentVersionWithoutContent>, SyncServerError> {
+    let parent = state
+        .database
+        .get_document_version(&vault_id, &document_id, &parent_version_id, None)
+        .await
+        .map_err(server_error)?
+        .map(Ok)
+        .unwrap_or_else(|| {
+            Err(not_found_error(anyhow!(
+                "Parent version with id `{}` not found",
+                parent_version_id
+            )))
+        })?;
+
+    let mut transaction = state
+        .database
+        .create_transaction()
+        .await
+        .map_err(server_error)?;
+
+    let latest_version = state
+        .database
+        .get_latest_document_version(&vault_id, &document_id, Some(&mut transaction))
+        .await
+        .map_err(server_error)?
+        .map(Ok)
+        .unwrap_or_else(|| {
+            Err(not_found_error(anyhow!(
+                "Latest document version of document `{}` not found",
+                document_id
+            )))
+        })?;
+
+    if latest_version.is_deleted {
+        return Err(client_error(anyhow!(
+            "Document `{}` is deleted",
+            document_id
+        )));
+    }
+
+    let merged_content = if request.is_binary {
+        base64_to_bytes(&request.content_base64)
+            .context("Failed to decode base64 content in request")
+            .map_err(client_error)?
+    } else {
+        reconcile::reconcile(
+            &parent.content_as_string(),
+            &latest_version.content_as_string(),
+            &base64_to_string(&request.content_base64)
+                .context("Failed to decode base64 content in request")
+                .map_err(client_error)?,
+        )
+        .into_bytes()
+    };
+
+    let new_version = StoredDocumentVersion {
+        vault_id,
+        document_id,
+        version_id: latest_version.version_id + 1,
+        content: merged_content,
+        created_date: request.created_date,
+        relative_path: request.relative_path,
+        updated_date: chrono::Utc::now(),
+        is_binary: request.is_binary,
+        is_deleted: false,
+    };
+
+    state
+        .database
+        .insert_document_version(&new_version, Some(&mut transaction))
+        .await
+        .map_err(server_error)?;
+
+    transaction
+        .commit()
+        .await
+        .context("Failed to commit successful transaction")
+        .map_err(server_error)?;
+
+    Ok(Json(new_version.into()))
+}