move the rest of presentation to presentation

crates/ra_ide_api/src/completion/completion_item.rs

@@ -1,14 +1,8 @@
 use std::fmt;
 
-use hir::{Docs, Documentation};
+use hir::Documentation;
 use ra_syntax::TextRange;
-use ra_text_edit::{ TextEditBuilder, TextEdit};
-
-use crate::completion::{
-    completion_context::CompletionContext,
-    const_label,
-    type_label
-};
+use ra_text_edit::{TextEditBuilder, TextEdit};
 
 /// `CompletionItem` describes a single completion variant in the editor pop-up.
 /// It is basically a POD with various properties. To construct a
@@ -253,27 +247,6 @@ impl Builder {
         self.documentation = docs.map(Into::into);
         self
     }
-    pub(super) fn from_const(mut self, ctx: &CompletionContext, ct: hir::Const) -> Builder {
-        if let Some(docs) = ct.docs(ctx.db) {
-            self.documentation = Some(docs);
-        }
-
-        self.detail = Some(const_item_label(ctx, ct));
-        self.kind = Some(CompletionItemKind::Const);
-
-        self
-    }
-
-    pub(super) fn from_type(mut self, ctx: &CompletionContext, ty: hir::Type) -> Builder {
-        if let Some(docs) = ty.docs(ctx.db) {
-            self.documentation = Some(docs);
-        }
-
-        self.detail = Some(type_item_label(ctx, ty));
-        self.kind = Some(CompletionItemKind::TypeAlias);
-
-        self
-    }
 }
 
 impl<'a> Into<CompletionItem> for Builder {
@@ -307,16 +280,6 @@ impl Into<Vec<CompletionItem>> for Completions {
     }
 }
 
-fn const_item_label(ctx: &CompletionContext, ct: hir::Const) -> String {
-    let node = ct.source(ctx.db).1;
-    const_label(&node)
-}
-
-fn type_item_label(ctx: &CompletionContext, ty: hir::Type) -> String {
-    let node = ty.source(ctx.db).1;
-    type_label(&node)
-}
-
 #[cfg(test)]
 pub(crate) fn do_completion(code: &str, kind: CompletionKind) -> Vec<CompletionItem> {
     use crate::mock_analysis::{single_file_with_position, analysis_and_position};

crates/ra_ide_api/src/completion/presentation.rs

@@ -6,7 +6,7 @@ use ra_syntax::ast::NameOwner;
 
 use crate::completion::{
     Completions, CompletionKind, CompletionItemKind, CompletionContext, CompletionItem,
-    function_label,
+    function_label, const_label, type_label,
 };
 
 impl Completions {
@@ -91,6 +91,8 @@ impl Completions {
     ) {
         let sig = func.signature(ctx.db);
         let name = name.unwrap_or_else(|| sig.name().to_string());
+        let (_, ast_node) = func.source(ctx.db);
+        let detail = function_label(&ast_node);
 
         let mut builder = CompletionItem::new(CompletionKind::Reference, ctx.source_range(), name)
             .kind(if sig.has_self_param() {
@@ -99,7 +101,7 @@ impl Completions {
                 CompletionItemKind::Function
             })
             .set_documentation(func.docs(ctx.db))
-            .set_detail(function_item_label(ctx, func));
+            .set_detail(detail);
         // If not an import, add parenthesis automatically.
         if ctx.use_item_syntax.is_none() && !ctx.is_call {
             tested_by!(inserts_parens_for_function_calls);
@@ -115,13 +117,18 @@ impl Completions {
     }
 
     pub(crate) fn add_const(&mut self, ctx: &CompletionContext, constant: hir::Const) {
-        let (_file_id, cosnt_def) = constant.source(ctx.db);
-        let name = match cosnt_def.name() {
+        let (_file_id, ast_node) = constant.source(ctx.db);
+        let name = match ast_node.name() {
             Some(name) => name,
             _ => return,
         };
+        let (_, ast_node) = constant.source(ctx.db);
+        let detail = const_label(&ast_node);
+
         CompletionItem::new(CompletionKind::Reference, ctx.source_range(), name.text().to_string())
-            .from_const(ctx, constant)
+            .kind(CompletionItemKind::Const)
+            .set_documentation(constant.docs(ctx.db))
+            .detail(detail)
             .add_to(self);
     }
 
@@ -131,8 +138,13 @@ impl Completions {
             Some(name) => name,
             _ => return,
         };
+        let (_, ast_node) = type_alias.source(ctx.db);
+        let detail = type_label(&ast_node);
+
         CompletionItem::new(CompletionKind::Reference, ctx.source_range(), name.text().to_string())
-            .from_type(ctx, type_alias)
+            .kind(CompletionItemKind::TypeAlias)
+            .set_documentation(type_alias.docs(ctx.db))
+            .detail(detail)
             .add_to(self);
     }
 
@@ -152,11 +164,6 @@ impl Completions {
     }
 }
 
-fn function_item_label(ctx: &CompletionContext, function: hir::Function) -> Option<String> {
-    let node = function.source(ctx.db).1;
-    function_label(&node)
-}
-
 #[cfg(test)]
 mod tests {
     use test_utils::covers;