vim server_architektur.rs ; add methods to DataStore

doc/feindesign/server_architektur.rs

@@ -81,6 +81,13 @@ pub mod persistency {
     use std::path::{Path, PathBuf};
     use std::sync::Arc;
     
+    pub type TextureFileResult = Result< Arc<Vec<u8>> , TextureFileError>
+    pub enum TextureFileError {
+        NotFound,
+        IOError(io::Error),
+        ImgError(::image::Error),
+    }
+
     pub struct DataStore {
         // private attributes
         // may change
@@ -98,12 +105,39 @@ pub mod persistency {
             unimplemented!()
         }
 
-        // TODO: think
+        pub fn query(&mut self, query: &self::search::Query) -> Vec<Texture> {
-
-        pub fn search(&mut self, query: &self::search::Query) -> Vec<Texture> {
             unimplemented!();
             // calls self::search::search(... )
         }
+
+        /// returns true if successful
+        pub fn delete(&mut self, tex: &Texture) -> bool {
+            unimplemented!();
+        }
+
+        pub fn insert(&mut self, tex: Texture) -> bool {
+            unimplemented!();
+        }
+
+        pub fn by_name<'a>(&'a self, name: &str) -> &'a Texture {
+            unimplemented!();
+        }
+
+        pub fn by_id<'a, 'b>(&'a self, id: &'b str) -> &'a Texture {
+            unimplemented!();
+        }
+
+        pub fn has_hash(&self, hash: &Sha256) -> bool {
+            unimplemented!();
+        }
+
+        pub fn get_texture_file(&mut self, hash: &Sha256) -> TextureFileResult {
+            unimplemented!();
+        }
+
+        pub fn get_texture_preview(&mut self, hash: &Sha256) -> TextureFileResult {
+            unimplemented!();
+        }
     }
     
     pub use self::search::Query;
@@ -146,9 +180,7 @@ pub mod persistency {
         }
     }
 
-}
+    pub mod image_convert {
-
-pub mod image_convert {
         use crate::model::*;
 
         pub struct ConvertConfig {
@@ -162,7 +194,7 @@ pub mod image_convert {
         ) -> ::image::ImageResult<Vec<u8>> {
             unimplemented!()
         }
-
+    }
 }
 
 pub mod main {