Add implementation for delete functionality

bin/domain/imag-wiki/Cargo.toml

@@ -24,6 +24,7 @@ is-match = "0.1"
 version = "2.0.1"
 
 libimagentryedit     = { version = "0.7.0", path = "../../../lib/entry/libimagentryedit" }
+libimagentrylink     = { version = "0.7.0", path = "../../../lib/entry/libimagentrylink" }
 libimagentrymarkdown = { version = "0.7.0", path = "../../../lib/entry/libimagentrymarkdown" }
 libimagerror         = { version = "0.7.0", path = "../../../lib/core/libimagerror" }
 libimagrt            = { version = "0.7.0", path = "../../../lib/core/libimagrt" }

bin/domain/imag-wiki/src/main.rs

@@ -25,6 +25,7 @@ extern crate libimagerror;
 extern crate libimagstore;
 extern crate libimagwiki;
 extern crate libimagentryedit;
+extern crate libimagentrylink;
 
 use std::io::Write;
 
@@ -169,7 +170,35 @@ fn create(rt: &Runtime, wiki_name: &str) {
 }
 
 fn delete(rt: &Runtime, wiki_name: &str) {
-    unimplemented!()
+    use libimagentrylink::internal::InternalLinker;
+
+    let scmd   = rt.cli().subcommand_matches("delete").unwrap(); // safed by clap
+    let name   = String::from(scmd.value_of("delete-name").unwrap()); // safe by clap
+    let unlink = !scmd.is_present("delete-no-remove-linkings");
+
+    let wiki = rt
+            .store()
+            .get_wiki(&wiki_name)
+            .map_err_trace_exit_unwrap(1)
+            .unwrap_or_else(|| {
+                error!("No wiki '{}' found", wiki_name);
+                ::std::process::exit(1)
+            });
+
+    if unlink {
+        wiki.get_entry(&name)
+            .map_err_trace_exit_unwrap(1)
+            .unwrap_or_else(|| {
+                error!("No wiki entry '{}' in '{}' found", name, wiki_name);
+                ::std::process::exit(1)
+            })
+            .unlink(rt.store())
+            .map_err_trace_exit_unwrap(1);
+    }
+
+    let _ = wiki
+        .delete_entry(&name)
+        .map_err_trace_exit_unwrap(1);
 }
 
 fn grep(rt: &Runtime, wiki_name: &str) {

bin/domain/imag-wiki/src/ui.rs

@@ -107,15 +107,15 @@ pub fn build_ui<'a>(app: App<'a, 'a>) -> App<'a, 'a> {
                    )
 
         .subcommand(SubCommand::with_name("delete")
-                   .about("Add wiki entry")
+                   .about("Delete wiki entry")
                    .version("0.1")
-                   .arg(Arg::with_name("name")
+                   .arg(Arg::with_name("delete-name")
                         .index(1)
                         .takes_value(true)
                         .required(true)
                         .multiple(false)
                         .value_name("NAME")
-                        .help("Add the entry under this name. The name must be unique, namespaces ('foo/bar') are allowed."))
+                        .help("Delete the entry under this name. The name must be unique, namespaces ('foo/bar') are allowed."))
 
                    .arg(Arg::with_name("delete-no-remove-linkings")
                         .long("no-remove-links")