/src/main/resources/com/onresolve/jira/groovy/canned/workflow/postfunctions/AddWatcher.groovy

package com.onresolve.jira.groovy.canned.workflow.postfunctions



import com.atlassian.jira.ComponentManager

import com.atlassian.jira.issue.MutableIssue

import com.atlassian.jira.issue.watchers.WatcherManager

import com.atlassian.jira.util.ErrorCollection

import com.onresolve.jira.groovy.canned.CannedScript

import com.onresolve.jira.groovy.canned.utils.ConditionUtils

import org.apache.log4j.Category

import com.atlassian.crowd.embedded.api.User



class AddWatcher implements CannedScript {



    Category log = Category.getInstance(AddWatcher.class)



    String getName() {

        "Adds the current user as a watcher"

    }



    public String getHelpUrl() {

        "https://studio.plugins.atlassian.com/wiki/display/GRV/Listeners#Listeners-AddWatcher"

    }



    String getDescription() {

        "Adds the user performing the action as a watcher, if condition applies"

    }



    List getCategories() {

        ["Function", "Listener"]

    }



    List getParameters(Map params) {

        [

            ConditionUtils.getConditionParameter()

        ]

    }



    ErrorCollection doValidate(Map params, boolean forPreview) {

        null

    }



    Map doScript(Map params) {

        MutableIssue issue = params['issue'] as MutableIssue



        Boolean doIt = ConditionUtils.processCondition(params[ConditionUtils.FIELD_CONDITION] as String, issue, false, params)

        if (! doIt) {

            return [:]

        }



        ComponentManager componentManager = ComponentManager.getInstance()

        WatcherManager watcherManager = componentManager.getWatcherManager()



        User user = componentManager.getJiraAuthenticationContext().getUser()

        if (user) {

            // doesn't matter if they're already watching

            watcherManager.startWatching(user, issue.genericValue)

        }

        else {

            log.debug("Anonymous user, not adding as a watcher")

        }



        params

    }



    String getDescription(Map params, boolean forPreview) {

        StringBuffer sb = new StringBuffer()

        sb << "Current user will be added to watcher list of issue"

        if (params[ConditionUtils.FIELD_CONDITION]) {

            sb << " if this condition is true:<br><pre>${params[ConditionUtils.FIELD_CONDITION]}</pre>"

        }

        else {

            sb << "."

        }

    }



    Boolean isFinalParamsPage(Map params) {

        true

    }

}