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February 11, 2023 03:14
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Parsing multiple-part Gmail responses for Slack via JSONata
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| { | |
| 'channel': $.channel, | |
| 'blocks': [ | |
| { | |
| 'type': 'section', | |
| 'text': { | |
| 'type':'mrkdwn', | |
| 'text': '------------------------------\n*You have mail!*' | |
| } | |
| }, | |
| $map($filter($.mailMessageSuccess.payload.headers, function($v, $i, $a) { | |
| /* Filter out all headers that aren't From, Subject, or Date for display in the Slack notification */ | |
| $v.name = 'From' or $v.name = 'Subject' or $v.name = 'Date' | |
| }), function($v, $i, $a) { | |
| { | |
| 'type': 'section', | |
| 'text': { | |
| 'type': 'mrkdwn', | |
| 'text': '*' & $v.name & ':* ' & $v.value | |
| } | |
| } | |
| }), | |
| $map($filter($.mailMessageSuccess.payload.parts, function($v, $i, $a) { | |
| /* TODO: Find the decode strategy for body parts that not base64 encoded */ | |
| $v.mimeType = 'text/plain' | |
| }), function($v, $i, $a) { | |
| { | |
| 'type': 'section', | |
| 'text': { | |
| 'type': 'mrkdwn', | |
| 'text': $replace($base64decode($v.body.data), '\r\n', '\n') | |
| } | |
| } | |
| }), | |
| { | |
| 'type': 'section', | |
| 'text': { | |
| 'type':'mrkdwn', | |
| 'text': '(Sent with ❤️ from instanceId: ' & $._.instanceId & ')\n------------------------------' | |
| } | |
| } | |
| ] | |
| } |
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| /** | |
| * Potential improvment that filters, not by mime-type, but by whether the body can be $base64decode()'ed | |
| **/ | |
| { | |
| 'channel': $.channel, | |
| 'blocks': [ | |
| { | |
| 'type': 'section', | |
| 'text': { | |
| 'type':'mrkdwn', | |
| 'text': '------------------------------\n*You have mail!*' | |
| } | |
| }, | |
| $map($filter($.mailMessageSuccess.payload.headers, function($v, $i, $a) { | |
| $v.name = 'From' or $v.name = 'Subject' or $v.name = 'Date' | |
| }), function($v, $i, $a) { | |
| { | |
| 'type': 'section', | |
| 'text': { | |
| 'type': 'mrkdwn', | |
| 'text': '*' & $v.name & ':* ' & $v.value | |
| } | |
| } | |
| }), | |
| $map($filter($.mailMessageSuccess.payload.parts, function($v, $i, $a) { | |
| $contains($v.body.data, /^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)?$/) | |
| }), function($v, $i, $a) { | |
| { | |
| 'type': 'section', | |
| 'text': { | |
| 'type': 'mrkdwn', | |
| 'text': $replace($base64decode($v.body.data), '\r\n', '\n') | |
| } | |
| } | |
| }), | |
| { | |
| 'type': 'section', | |
| 'text': { | |
| 'type':'mrkdwn', | |
| 'text': '(Sent with ❤️ from instanceId: ' & $._.instanceId & ')\n------------------------------' | |
| } | |
| } | |
| ] | |
| } |
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Produces this in Slack:
