Handle submitting multiple messages (cooccurrences) at once

[MrOrz]

Feature

This PR implements the items with yellow highlight.
We should probably ignore Items with red highlight in the future.

Implement askingCooccurrences handler and connect to processBatch

• Design doc: https://g0v.hackmd.io/@cofacts/rd/%2Ff_Ze19PhQuqx_fzOAOkohQ
• processBatch asks if messages were sent together by the same person
• askingCooccurrences handler handles the user's response.
• Includes translation
• No tests yet

Refactors

Change askingArticleSubmissionConsent's input from Yes/No to an array of index

• ranges from 0 ~ context.msgs.length - 1
• indicates the context.msgs that does not in DB and is asking for user's consent for submission
• If the user rejects, input of askingArticleSubmissionConsent is an empty array
• updates snapshots of action inputs and related logic

Revamp logic of askingArticleSubmissionConsent

• Before this PR, the handler only processes the first message in context.msgs
• The new logic would
  1. submits multiple messages to database according to the input
  2. create UserArticleLink for newly created messages
     • For existing messages, the user article link will be created when the user selects the message in search results
  3. if multiple messages, set cooccurrences and show search results; otherwise, show creation results

[MrOrz]

Current dependencies on/for this PR:

• master
  • PR Refactor search bubble utils #378
    • PR Handle submitting multiple messages (cooccurrences) at once #379 👈

This stack of pull requests is managed by Graphite.

[coveralls]

Pull Request Test Coverage Report for Build 7465454274

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• 0 of 0 changed or added relevant lines in 0 files are covered.
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• Overall coverage decreased (-4.1%) to 87.795%

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Totals
Change from base Build 7465452571:	-4.1%
Covered Lines:	1027
Relevant Lines:	1129

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💛 - Coveralls

[MrOrz]

Merge activity

• Jan 9, 1:38 PM: @MrOrz started a stack merge that includes this pull request via Graphite.
• Jan 9, 1:39 PM: Graphite rebased this pull request as part of a merge.
• Jan 9, 1:40 PM: @MrOrz merged this pull request with Graphite.