add 'wp pll post update' subcommand

closes #100

README.md

@@ -951,34 +951,36 @@ wp pll post get <post_id> [<language-code>] [--api]
 
 
 
-### wp pll post duplicate
+### wp pll post update
 
-Duplicate a post to one or more languages.
+Update one or more existing posts and their translations.
 
 ~~~
-wp pll post duplicate <post_id> [<language-code>]
+wp pll post update <id>... [<file>] --<field>=<value> [--defer-term-counting]
 ~~~
 
-Syncs metadata and taxonomy terms, based on Polylang settings. Run `wp pll option list` to inspect current settings.
-
 **OPTIONS**
 
-	<post_id>
-		Post ID of the post to duplicate. Required.
+	<id>...
+		One or more IDs of posts to update.
 
-	[<language-code>]
-		Language code (slug), or comma-separated list of language codes, to duplicate the post to. Omit to duplicate to all languages. Optional.
+	[<file>]
+		Read post content from <file>. If this value is present, the
+		    `--post_content` argument will be ignored.
 
-**EXAMPLES**
+  Passing `-` as the filename will cause post content to
+  be read from STDIN.
 
-    # Duplicate post 23 (Dutch) to German
-    $ wp pll post duplicate 23 de
-    Success: Created post 68 (de) < post 23 (nl)
+	--<field>=<value>
+		One or more fields to update. See wp_update_post().
 
-    # Duplicate post 23 (Dutch) to all languages (Dutch and Spanish)
-    $ wp pll post duplicate 23
-    Success: Updated post 68 (de) < post 23 (nl)
-    Success: Created post 69 (es) < post 23 (nl)
+	[--defer-term-counting]
+		Recalculate term count in batch, for a performance boost.
+
+**EXAMPLES**
+
+    $ wp pll post update 13 --comment_status=closed
+    Success: Updated post 13.
 
 
 
@@ -1007,6 +1009,37 @@ wp pll post delete <post_id> [--force] [--defer-term-counting]
 
 
 
+### wp pll post duplicate
+
+Duplicate a post to one or more languages.
+
+~~~
+wp pll post duplicate <post_id> [<language-code>]
+~~~
+
+Syncs metadata and taxonomy terms, based on Polylang settings. Run `wp pll option list` to inspect current settings.
+
+**OPTIONS**
+
+	<post_id>
+		Post ID of the post to duplicate. Required.
+
+	[<language-code>]
+		Language code (slug), or comma-separated list of language codes, to duplicate the post to. Omit to duplicate to all languages. Optional.
+
+**EXAMPLES**
+
+    # Duplicate post 23 (Dutch) to German
+    $ wp pll post duplicate 23 de
+    Success: Created post 68 (de) < post 23 (nl)
+
+    # Duplicate post 23 (Dutch) to all languages (Dutch and Spanish)
+    $ wp pll post duplicate 23
+    Success: Updated post 68 (de) < post 23 (nl)
+    Success: Created post 69 (es) < post 23 (nl)
+
+
+
 ### wp pll post list
 
 Get a list of posts in a language.

composer.json

@@ -61,8 +61,9 @@
             "pll post generate",
             "pll post create",
             "pll post get",
-            "pll post duplicate",
+            "pll post update",
             "pll post delete",
+            "pll post duplicate",
             "pll post list",
             "pll post-type",
             "pll post-type disable",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "7b3ab1889747de5d4a03979f524b653f",
+    "content-hash": "7ccbb9f9bd8cf84d8aaac1997f82ef00",
     "packages": [
         {
             "name": "composer/ca-bundle",
@@ -2388,16 +2388,16 @@
         },
         {
             "name": "wp-cli/scaffold-command",
-            "version": "v1.0.6",
+            "version": "v1.0.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/wp-cli/scaffold-command.git",
-                "reference": "decd72649677fa0f731874fe73f792aa80f09f24"
+                "reference": "9ed0d96967a84ebe21764aa30b162717bc45c6ef"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/wp-cli/scaffold-command/zipball/decd72649677fa0f731874fe73f792aa80f09f24",
-                "reference": "decd72649677fa0f731874fe73f792aa80f09f24",
+                "url": "https://api.github.com/repos/wp-cli/scaffold-command/zipball/9ed0d96967a84ebe21764aa30b162717bc45c6ef",
+                "reference": "9ed0d96967a84ebe21764aa30b162717bc45c6ef",
                 "shasum": ""
             },
             "require-dev": {
@@ -2442,7 +2442,7 @@
             ],
             "description": "Generate code for post types, taxonomies, plugins, child themes, etc.",
             "homepage": "https://github.com/wp-cli/scaffold-command",
-            "time": "2017-08-22T13:48:33+00:00"
+            "time": "2017-08-23T13:06:41+00:00"
         },
         {
             "name": "wp-cli/search-replace-command",

features/post.feature

@@ -46,6 +46,28 @@ Feature: Manage posts and their translations
     Warning: tlh is not a valid language.
     """
 
+  @pll-post-update
+  Scenario: Update posts and their translations
+
+    When I run `wp pll option sync comment_status`
+    And I run `wp pll lang create de de de_DE`
+    And I run `wp pll post duplicate 1`
+    And I run `wp pll post update 1 --comment_status="closed"`
+    And I run `wp post list --fields=ID,comment_status`
+    Then STDOUT should be a table containing rows:
+    | ID | comment_status |
+    | 5  | closed         |
+    | 1  | closed         |
+    And STDERR should be empty
+
+    When I run `wp pll post update 5 --comment_status="open"`
+    And I run `wp post list --fields=ID,comment_status`
+    Then STDOUT should be a table containing rows:
+    | ID | comment_status |
+    | 5  | open           |
+    | 1  | open           |
+    And STDERR should be empty
+
   Scenario: Delete posts and their translations
 
     When I run `wp pll post delete 1`

src/Commands/Post.php

@@ -161,6 +161,52 @@ class PostCommand extends BaseCommand {
         echo implode( ' ', array_map( 'absint', $post_ids ) );
     }
 
+    /**
+     * Update one or more existing posts and their translations.
+     *
+     * ## OPTIONS
+     *
+     * <id>...
+     * : One or more IDs of posts to update.
+     *
+     * [<file>]
+     * : Read post content from <file>. If this value is present, the
+     *     `--post_content` argument will be ignored.
+     *
+     *   Passing `-` as the filename will cause post content to
+     *   be read from STDIN.
+     *
+     * --<field>=<value>
+     * : One or more fields to update. See wp_update_post().
+     *
+     * [--defer-term-counting]
+     * : Recalculate term count in batch, for a performance boost.
+     *
+     * ## EXAMPLES
+     *
+     *     $ wp pll post update 13 --comment_status=closed
+     *     Success: Updated post 13.
+     */
+    public function update( $args, $assoc_args ) {
+
+        $this->pll->filters_post = new \PLL_Admin_Filters_Post( $this->pll );
+        $this->pll->sync         = new \PLL_Admin_Sync( $this->pll );
+
+        $GLOBALS['pagenow'] = 'post.php';
+
+        # get around Polylang's capability check
+        $current_user = wp_get_current_user();
+        $current_user->allcaps = get_role( 'administrator' )->capabilities;
+
+        $_args       = implode( ' ', array_merge( array( 'post', 'update' ), $args ) );
+        $_assoc_args = empty( $assoc_args ) ? '' : implode( ' ', array_map( function ( $v, $k ) { return "--{$k}='{$v}'"; }, $assoc_args, array_keys( $assoc_args ) ) );
+
+        $this->cli->runcommand(
+            sprintf( '%s %s', $_args, $_assoc_args ),
+            array( 'return' => false, 'launch' => false, 'exit_error' => false )
+        );
+    }
+
     /**
      * Delete a post and its translations.
      *
@@ -437,7 +483,7 @@ class PostCommand extends BaseCommand {
         $this->cli->command( array( 'post', 'list' ), $assoc_args );
     }
 
-	/**
+    /**
      * Generate some posts and their translations.
      *
      * Creates a specified number of sets of new posts with dummy data.