eve/dist/src/public/channels/slack/interactions.js

Filesystem-first framework for durable backend AI agents that run anywhere.

import{createLogger}from"#internal/logging.js";import{SLACK_CARD_SUBTEXT_MAX_LENGTH,truncateCardSubtext}from"#public/channels/slack/limits.js";import{buildSlackBinding,resolveSlackBotToken,slackContinuationToken}from"#public/channels/slack/api.js";import{buildSlackAuthContext}from"#public/channels/slack/auth.js";import{HITL_FREEFORM_MODAL_ACTION_ID,HITL_FREEFORM_MODAL_BLOCK_ID,HITL_FREEFORM_MODAL_CALLBACK_ID,buildAnsweredBlocks,buildFreeformModalView,deriveHitlResponse,freeformRequestIdFromActionId,isFreeformAction,isHitlAction}from"#public/channels/slack/hitl.js";import{parseSlackWebhookBody}from"#compiled/@chat-adapter/slack/webhook.js";const log=createLogger(`slack.interactions`);function parseBlockActionsPayload(e){if(isSharedBlockActionsPayload(e))return parseSharedBlockActionsPayload(e);let t=e,n=t.actions;if(!Array.isArray(n))return null;let r=t.channel?.id,i=t.message,a=i?.thread_ts??i?.ts;if(!r||!a)return null;let o=t.team,s=t.user,c=o?.id??s.team_id,l={id:s.id,username:s.username,name:s.name},u=i?.blocks??[];return{actions:n.map(e=>({actionId:String(e.action_id??``),value:e.value==null?void 0:String(e.value),blockId:e.block_id==null?void 0:String(e.block_id),selectedOptionValue:extractSelectedOptionValue(e),messageTs:i?.ts,label:extractActionLabel(e),user:l})),channelId:r,threadTs:a,teamId:c,messageBlocks:u}}function isSharedBlockActionsPayload(e){return e.kind===`block_actions`&&Array.isArray(e.actions)}function parseSharedBlockActionsPayload(e){return!e.channelId||!e.threadTs?null:{actions:e.actions.map(t=>({actionId:t.actionId,value:t.value,blockId:t.blockId,selectedOptionValue:t.selectedOptionValue,messageTs:e.messageTs,label:t.label,user:{id:t.user?.id??e.userId,username:t.user?.username,name:t.user?.name}})),channelId:e.channelId,threadTs:e.threadTs,teamId:e.teamId,messageBlocks:e.messageBlocks??[]}}function extractSelectedOptionValue(e){let t=e.selected_option;return typeof t?.value==`string`?t.value:void 0}function extractActionLabel(e){let t=e.selected_option?.text?.text;if(typeof t==`string`&&t.length>0)return t;let n=e.text?.text;if(typeof n==`string`&&n.length>0)return n}function findPromptBlock(e){return findPromptBlocks(e)[0]}function findPromptBlocks(e){let t=[];for(let n of e){if(typeof n!=`object`||!n)continue;let e=n.type;if(e===`actions`)break;(e===`section`||e===`context`||e===`divider`||e===`image`)&&t.push(n)}return t}function readPromptTextFromBlocks(e){let t=findPromptBlock(e)?.text?.text;return typeof t==`string`&&t.length>0?t:void 0}function buildAnsweredHitlMessageBlocks(e){let t=findActionBlockIndex(e.messageBlocks,e.actionId);if(t===-1)return buildAnsweredBlocks({promptBlocks:findPromptBlocks(e.messageBlocks),answerLabel:e.answerLabel,userId:e.userId});let n=e.messageBlocks[t],r=answeredBlocksFromActionBlock({answerLabel:e.answerLabel,block:n,userId:e.userId})??buildAnsweredBlocks({promptBlocks:promptBlocksFromActionBlock(n),answerLabel:e.answerLabel,userId:e.userId});return[...e.messageBlocks.slice(0,t),...r,...e.messageBlocks.slice(t+1)]}function findActionBlockIndex(e,t){return e.findIndex(e=>blockContainsActionId(e,t))}function blockContainsActionId(e,t){return isObjectRecord(e)?actionsContainActionId(e.elements,t)||actionsContainActionId(e.actions,t):!1}function actionsContainActionId(e,t){return Array.isArray(e)?e.some(e=>isObjectRecord(e)&&e.action_id===t):!1}function isObjectRecord(e){return typeof e==`object`&&!!e}function answeredBlocksFromActionBlock(e){if(!isObjectRecord(e.block)||e.block.type!==`card`)return;let{actions:t,subtext:n,...r}=e.block,i={...r,subtext:{type:`mrkdwn`,text:formatAnsweredCardSubtext(e),verbatim:!1}};return hasCardContent(i)?[i]:void 0}function formatAnsweredCardSubtext(e){let r=e.userId.length>0?` by <@${e.userId}>`:``,i=SLACK_CARD_SUBTEXT_MAX_LENGTH-20-1-r.length;return truncateCardSubtext(`:white_check_mark: *${truncateWithEllipsis(e.answerLabel,i)}*${r}`)}function truncateWithEllipsis(e,t){if(t<=0)return``;if(e.length<=t)return e;let n=Math.max(0,t-3);return`${e.slice(0,n).trimEnd()}...`}function promptBlocksFromActionBlock(e){if(!isObjectRecord(e)||e.type!==`card`)return[];let{actions:t,...n}=e;return hasCardContent(n)?[n]:[]}function hasCardContent(e){return e.body!==void 0||e.title!==void 0||e.hero_image!==void 0}async function handleInteractionPost(e,t,n){let i=new Response(`ok`,{status:200}),s;try{s=parseSlackWebhookBody(e,{contentType:`application/x-www-form-urlencoded`})}catch{return log.warn(`failed to parse Slack interaction payload`),i}if(s.kind===`view_submission`)return handleViewSubmission(s,t,n);if(s.kind!==`block_actions`)return i;let c=parseBlockActionsPayload(s);if(!c)return i;let l=c.actions.find(e=>isFreeformAction(e.actionId));if(l)return await openFreeformModal({payload:s.raw,interaction:c,freeformAction:l,deps:n}),i;let u=slackContinuationToken(c.channelId,c.threadTs),d=c.actions.map(deriveHitlResponse).filter(e=>e!==null);if(d.length>0){let e=c.actions[0]?.user;if(!e)return i;t.waitUntil(t.send({inputResponses:d},{auth:buildSlackAuthContext({channelId:c.channelId,teamId:c.teamId,threadTs:c.threadTs,userId:e.id,userName:e.username??e.name}),continuationToken:u,state:{channelId:c.channelId,threadTs:c.threadTs,teamId:c.teamId??null,triggeringUserId:e.id}}).catch(e=>{log.error(`HITL interaction delivery failed`,{error:e})})),t.waitUntil(updateAnsweredHitlCard(c,n).catch(e=>{log.error(`HITL answered-card update failed`,{error:e})}))}let p=n.config.onInteraction;if(p){let e=c.actions.filter(e=>!isHitlAction(e.actionId));if(e.length>0){let{thread:i,slack:a}=buildSlackBinding({botToken:n.config.credentials?.botToken,channelId:c.channelId,threadTs:c.threadTs,teamId:c.teamId}),o={cancel:(e={})=>t.cancel({continuationToken:u,turnId:e.turnId}),thread:i,slack:a};for(let n of e)t.waitUntil(Promise.resolve(p(n,o)).catch(e=>{log.error(`custom interaction handler failed`,{error:e})}))}}return i}async function openFreeformModal(e){let t=e.payload.trigger_id;if(typeof t!=`string`||t.length===0){log.warn(`freeform button click missing trigger_id — cannot open modal`);return}let n=freeformRequestIdFromActionId(e.freeformAction.actionId)??e.freeformAction.value;if(!n){log.warn(`freeform button click missing requestId`);return}let r=e.freeformAction.messageTs;if(!r){log.warn(`freeform button click missing messageTs`);return}let o=buildFreeformModalView({metadata:{continuationToken:slackContinuationToken(e.interaction.channelId,e.interaction.threadTs),channelId:e.interaction.channelId,threadTs:e.interaction.threadTs,messageTs:r,requestId:n},prompt:readPromptTextFromBlocks(e.interaction.messageBlocks)}),s=await resolveSlackBotToken(e.deps.config.credentials?.botToken),c=await fetch(`https://slack.com/api/views.open`,{method:`POST`,headers:{authorization:`Bearer ${s}`,"content-type":`application/json; charset=utf-8`},body:JSON.stringify({trigger_id:t,view:o})});c.ok||log.error(`Slack views.open returned non-2xx`,{status:c.status})}async function handleViewSubmission(e,t,n){let r=new Response(null,{status:200});if(e.callbackId!==HITL_FREEFORM_MODAL_CALLBACK_ID)return r;let i;try{i=JSON.parse(e.privateMetadata??``)}catch{return log.warn(`freeform view_submission carries invalid private_metadata`),r}if(!i.continuationToken||!i.requestId||!i.messageTs||!i.channelId||!i.threadTs)return r;let a=e.values?.find(e=>e.blockId===HITL_FREEFORM_MODAL_BLOCK_ID&&e.actionId===HITL_FREEFORM_MODAL_ACTION_ID)?.value??``;if(a.length===0)return r;let u=e.user,d=e.userId,f=u?.teamId??e.teamId??null;return t.waitUntil(t.send({inputResponses:[{requestId:i.requestId,text:a}]},{auth:buildSlackAuthContext({channelId:i.channelId,teamId:f,threadTs:i.threadTs,userId:d,userName:u?.username??u?.name}),continuationToken:i.continuationToken,state:{channelId:i.channelId,threadTs:i.threadTs,teamId:f,triggeringUserId:d}}).catch(e=>{log.error(`freeform answer delivery failed`,{error:e})})),t.waitUntil(updateAnsweredFreeformCard({channelId:i.channelId,messageTs:i.messageTs,answerLabel:a,userId:d??void 0,deps:n}).catch(e=>{log.error(`freeform answered-card update failed`,{error:e})})),r}async function updateAnsweredHitlCard(e,t){let n=e.actions.find(e=>isHitlAction(e.actionId));if(!n||!n.messageTs)return;let r=n.label??n.selectedOptionValue??n.value;if(!r)return;let a=buildAnsweredHitlMessageBlocks({actionId:n.actionId,answerLabel:r,messageBlocks:e.messageBlocks,userId:n.user.id}),o=await resolveSlackBotToken(t.config.credentials?.botToken),s=await fetch(`https://slack.com/api/chat.update`,{method:`POST`,headers:{authorization:`Bearer ${o}`,"content-type":`application/json; charset=utf-8`},body:JSON.stringify({channel:e.channelId,ts:n.messageTs,blocks:a,text:`Answered: ${r}`})});if(!s.ok)throw Error(`Slack chat.update returned HTTP ${s.status}`)}async function updateAnsweredFreeformCard(e){let t=buildAnsweredBlocks({promptBlocks:[],answerLabel:e.answerLabel,userId:e.userId}),n=await resolveSlackBotToken(e.deps.config.credentials?.botToken),r=await fetch(`https://slack.com/api/chat.update`,{method:`POST`,headers:{authorization:`Bearer ${n}`,"content-type":`application/json; charset=utf-8`},body:JSON.stringify({channel:e.channelId,ts:e.messageTs,blocks:t,text:`Answered: ${e.answerLabel}`})});if(!r.ok)throw Error(`Slack chat.update returned HTTP ${r.status}`)}export{handleInteractionPost,parseBlockActionsPayload};