feat(backend/database/post) add first_update

backend/post.sql

@@ -4,15 +4,17 @@ CREATE TABLE IF NOT EXISTS Post
     title        VARCHAR(255) NOT NULL,
     summary      TEXT         NOT NULL,
     content      TEXT         NOT NULL,
-    last_update TIMESTAMP
+    last_update  TIMESTAMP,
+    first_update TIMESTAMP    NOT NULL
 );
 
 drop table if exists post;
 
-INSERT INTO Post (post_id, title, summary, content, last_update)
+INSERT INTO Post (post_id, title, summary, content, last_update, first_update)
-VALUES ($1, $2, $3, $4, $5)
+VALUES ($1, $2, $3, $4, $5, $6)
 ON CONFLICT (post_id)
     DO UPDATE SET title        = excluded.title,
                   summary      = excluded.summary,
                   content      = excluded.content,
-                  last_update = excluded.last_update
+                  last_update  = excluded.last_update,
+                  first_update = excluded.first_update

backend/src/api/post/refresh.rs

@@ -53,7 +53,8 @@ CREATE TABLE IF NOT EXISTS Post
     title        VARCHAR(255) NOT NULL,
     summary      TEXT         NOT NULL,
     content      TEXT         NOT NULL,
-    last_update TIMESTAMP
+    last_update  TIMESTAMP,
+    first_update TIMESTAMP    NOT NULL
 );
     "##,
     )
@@ -81,13 +82,15 @@ CREATE TABLE IF NOT EXISTS Tag
         // table Post
         match query(
             r##"
-INSERT INTO Post (post_id, title, summary, content, last_update)
+INSERT INTO Post (post_id, title, summary, content, last_update, first_update)
-VALUES ($1, $2, $3, $4, $5)
+VALUES ($1, $2, $3, $4, $5, $6)
 ON CONFLICT (post_id)
     DO UPDATE SET title        = excluded.title,
                   summary      = excluded.summary,
                   content      = excluded.content,
-                  last_update = excluded.last_update
+                  last_update  = excluded.last_update,
+                  first_update = excluded.first_update
+
         "##,
         )
             .bind(post.post_id)
@@ -95,6 +98,7 @@ ON CONFLICT (post_id)
             .bind(post.summary)
             .bind(&post.content)
             .bind(post.last_update)
+            .bind(post.first_update)
             .execute(&db_connection)
             .await
         {

backend/src/model/mod.rs

@@ -12,6 +12,7 @@ pub struct Post {
     pub summary: String,
     pub content: String,
     pub last_update: NaiveDateTime,
+    pub first_update: NaiveDateTime,
 }
 
 

backend/src/model/post.rs

@@ -3,7 +3,7 @@ use std::error::Error;
 use std::process::Command;
 use std::str;
 
-use chrono::{NaiveDateTime, Utc};
+use chrono::{NaiveDate, NaiveDateTime, Utc};
 use uuid::Uuid;
 
 use crate::markdown::meta::parse_meta;
@@ -44,12 +44,21 @@ impl Post {
             Utc::now().naive_utc()
         };
 
+        let first_update: NaiveDateTime = match meta.get("date") {
+            None => Utc::now().naive_utc(),
+            Some(date) => NaiveDateTime::from(
+                NaiveDate::parse_from_str(date, "%Y-%m-%d%z")
+                    .expect("Failed to parse first_update time"),
+            ),
+        };
+
         Ok(Post {
             post_id: Uuid::new_v4(),
             title,
             summary,
             content: md_content,
             last_update,
+            first_update,
         })
     }
 }