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effects.js
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effects.js
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/**
* External dependencies
*/
import { BEGIN, COMMIT, REVERT } from 'redux-optimist';
import { get, uniqueId } from 'lodash';
/**
* WordPress dependencies
*/
import { serialize, getBlockType, switchToBlockType } from 'blocks';
import { __ } from 'i18n';
/**
* Internal dependencies
*/
import { getGutenbergURL, getWPAdminURL } from './utils/url';
import { focusBlock, replaceBlocks } from './actions';
import { getCurrentPostId, getBlocks, getPostEdits } from './selectors';
export default {
REQUEST_POST_UPDATE( action, store ) {
const { dispatch, getState } = store;
const state = getState();
const postId = getCurrentPostId( state );
const isNew = ! postId;
const edits = getPostEdits( state );
const toSend = {
...edits,
content: serialize( getBlocks( state ) ),
};
const transactionId = uniqueId();
if ( ! isNew ) {
toSend.id = postId;
}
dispatch( {
type: 'CLEAR_POST_EDITS',
optimist: { type: BEGIN, id: transactionId },
} );
dispatch( {
type: 'UPDATE_POST',
edits: toSend,
optimist: { id: transactionId },
} );
new wp.api.models.Post( toSend ).save().done( ( newPost ) => {
dispatch( {
type: 'REQUEST_POST_UPDATE_SUCCESS',
post: newPost,
isNew,
optimist: { type: COMMIT, id: transactionId },
} );
dispatch( {
type: 'RESET_POST',
post: newPost,
} );
} ).fail( ( err ) => {
dispatch( {
type: 'REQUEST_POST_UPDATE_FAILURE',
error: get( err, 'responseJSON', {
code: 'unknown_error',
message: __( 'An unknown error occurred.' ),
} ),
edits,
optimist: { type: REVERT, id: transactionId },
} );
} );
},
REQUEST_POST_UPDATE_SUCCESS( action ) {
const { post, isNew } = action;
if ( ! isNew ) {
return;
}
const newURL = getGutenbergURL( {
post_id: post.id,
} );
window.history.replaceState( {}, 'Post ' + post.id, newURL );
},
TRASH_POST( action, store ) {
const { dispatch } = store;
const { postId } = action;
new wp.api.models.Post( { id: postId } ).destroy().done( () => {
dispatch( {
...action,
type: 'TRASH_POST_SUCCESS',
} );
} );
},
TRASH_POST_SUCCESS( action ) {
const { postId, postType } = action;
window.location.href = getWPAdminURL( 'edit.php', {
trashed: 1,
post_type: postType,
ids: postId,
} );
},
MERGE_BLOCKS( action, store ) {
const { dispatch } = store;
const [ blockA, blockB ] = action.blocks;
const blockType = getBlockType( blockA.name );
// Only focus the previous block if it's not mergeable
if ( ! blockType.merge ) {
dispatch( focusBlock( blockA.uid ) );
return;
}
// We can only merge blocks with similar types
// thus, we transform the block to merge first
const blocksWithTheSameType = blockA.name === blockB.name
? [ blockB ]
: switchToBlockType( blockB, blockA.name );
// If the block types can not match, do nothing
if ( ! blocksWithTheSameType || ! blocksWithTheSameType.length ) {
return;
}
// Calling the merge to update the attributes and remove the block to be merged
const updatedAttributes = blockType.merge(
blockA.attributes,
blocksWithTheSameType[ 0 ].attributes
);
dispatch( focusBlock( blockA.uid, { offset: -1 } ) );
dispatch( replaceBlocks(
[ blockA.uid, blockB.uid ],
[
{
...blockA,
attributes: {
...blockA.attributes,
...updatedAttributes,
},
},
...blocksWithTheSameType.slice( 1 ),
]
) );
},
};