feat: allow any number of topics for a post

Sponsored-by: author

4 files changed, 29 insertions, 7 deletions

diff --git a/jt.md b/jt.md
index 8972d73..ca4f108 100644
--- a/jt.md
+++ b/jt.md
@@ -309,6 +309,26 @@ and there is one draft in jrnl
 and draft 0 in jrnl links to "topics/foo.bar"
 ~~~
 
+## Allow many topics per post
+
+Sometimes a post relates to several topics.
+
+~~~scenario
+given an installed jt
+
+when I run jt --dirname jrnl init default "My test journal"
+then command is successful
+
+when I run jt --editor=none --dirname=jrnl new-topic topics/foo "Foo"
+when I run jt --editor=none --dirname=jrnl new-topic topics/bar "Bar"
+
+when I run jt --editor=none --dirname=jrnl new --topic topics/foo --topic topics/bar "Abracadabra"
+then command is successful
+then there is one draft in jrnl
+then draft 0 in jrnl links to "topics/foo"
+then draft 0 in jrnl links to "topics/bar"
+~~~
+
 
 # Colophon
 
diff --git a/src/cmd.rs b/src/cmd.rs
index 07f985f..9c96af1 100644
--- a/src/cmd.rs
+++ b/src/cmd.rs
@@ -54,8 +54,8 @@ pub struct New {
     #[clap(help = "Title of new draft")]
     title: String,
 
-    #[clap(long, help = "Add link to a topic page")]
-    topic: Option<PathBuf>,
+    #[clap(long, help = "Add links to topic pages")]
+    topic: Vec<PathBuf>,
 }
 
 impl New {
diff --git a/src/journal.rs b/src/journal.rs
index f6f3e61..ee239de 100644
--- a/src/journal.rs
+++ b/src/journal.rs
@@ -71,7 +71,7 @@ impl Journal {
     pub fn new_draft(
         &self,
         title: &str,
-        topic: &Option<PathBuf>,
+        topics: &[PathBuf],
         editor: &str,
     ) -> Result<(), JournalError> {
         let drafts = self.drafts();
@@ -83,13 +83,15 @@ impl Journal {
         let mut context = Context::new();
         context.insert("title", title);
         context.insert("date", &current_timestamp());
-        if let Some(ref topic) = topic {
+        let mut full_topics = vec![];
+        for topic in topics.iter() {
             let pathname = topic_path(self.dirname(), topic);
             if !pathname.exists() {
                 return Err(JournalError::NoSuchTopic(topic.to_path_buf()));
             }
-            context.insert("topic", &topic.display().to_string());
+            full_topics.push(topic.display().to_string());
         }
+        context.insert("topics", &full_topics);
 
         let pathname = self.pick_file_id(&drafts)?;
         let text = self.templates.new_draft(&context)?;
diff --git a/src/template.rs b/src/template.rs
index 4f9b0b6..f001a34 100644
--- a/src/template.rs
+++ b/src/template.rs
@@ -4,9 +4,9 @@ use tera::{Context, Tera};
 
 const NEW_ENTRY: &str = r#"[[!meta title="{{ title }}"]]
 [[!meta date="{{ date }}"]]
-{% if topic %}
+{% for topic in topics %}
 [[!meta link="{{ topic }}"]]
-{% endif %}
+{% endfor %}
 
 "#;