Reopen a Form.

//// When using this script in the script console uncomment the next line:
def issueKey = 'ISSUE-1'
//// When using this script in a transition uncomment the next line:
// def issueKey = issue.key

String formName = "Form Name"

Closure getFormIds = { def propertyValue, String name ->
    def ids = []
    for(def form : propertyValue.value.forms){
	    if(form.name.equals(name)){
	        ids.add(form.id)
	    }
	}
    return ids
}

def proFormaForm = get('/rest/api/3/issue/' + issueKey + '/properties/proforma.forms')
    .header('Content-Type', 'application/json')
    .asObject(Map)
    
if(proFormaForm.status == 200){
    def forms = getFormIds(proFormaForm.body, formName)
    for(def formId : forms){
        def property = get('/rest/api/3/issue/' + issueKey + '/properties/proforma.forms.i' + formId)
                .header('Content-Type', 'application/json')
                .asObject(Map)
        boolean updateAllForms = false
        
        if(property.status == 200){
            if(property.body.value.schemaVersion.equals(8)){
                if(property.body.value.state.status.equals("s")){
                    property.body.value.state.status = "o"
                    def insertProperty = put('/rest/api/3/issue/' + issueKey + '/properties/' + property.body.key)
                                      .header('Content-Type', 'application/json')
                                      .body(property.body.value)
                                      .asString()
                    updateAllForms = true
                }
            }
        }
        if(updateAllForms){
            def searchProperty = get('/rest/api/3/issue/' + issueKey + '/properties/proforma.forms.search')
                    .header('Content-Type', 'application/json')
                    .asObject(Map)
            if(searchProperty.status == 200){
                def openForms = searchProperty.body.value.count.open.value
                def submittedForms = searchProperty.body.value.count.submitted.value
                searchProperty.body.value.count.open = openForms + 1
                searchProperty.body.value.count.submitted = submittedForms - 1
                def insertSearchProperty = put('/rest/api/3/issue/' + issueKey + '/properties/' + searchProperty.body.key)
                        .header('Content-Type', 'application/json')
                        .body(searchProperty.body.value)
                        .asString()
            }
            for(def form : proFormaForm.body.value.forms){
                if(form.id == formId){
                    form.remove("submitted")
                    def insertProperty = put('/rest/api/3/issue/' + issueKey + '/properties/' + proFormaForm.body.key)
                                      .header('Content-Type', 'application/json')
                                      .body(proFormaForm.body.value)
                                      .asString()
                }
            }
        }
    }
}