renamed toast.js to jobs.js and moved Job related calls to jobs.py form files.py AND get job.py to allow job_mgr msgs to go to F/E via a POST of /checkforjobs (picked up in templates/base.html). move files also calls new CheckForJobs() to pick up when move job finishes without needing a page reload

job.py

@@ -1,16 +1,15 @@
 from wtforms import SubmitField, StringField, FloatField, HiddenField, validators, Form
 from flask_wtf import FlaskForm
-from flask import request, render_template, redirect
+from flask import request, render_template, redirect, make_response, jsonify, url_for
 from settings import Settings
 from main import db, app, ma
 from sqlalchemy import Sequence, func
 from sqlalchemy.exc import SQLAlchemyError
 from status import st, Status
 from datetime import datetime, timedelta
-from flask_login import login_required, current_user
 import pytz
 import socket
-from shared import PA_JOB_MANAGER_HOST, PA_JOB_MANAGER_PORT, NEWEST_LOG_LIMIT, OLDEST_LOG_LIMIT
+from shared import PA, PA_JOB_MANAGER_HOST, PA_JOB_MANAGER_PORT, NEWEST_LOG_LIMIT, OLDEST_LOG_LIMIT
 from flask_login import login_required, current_user
 from sqlalchemy.dialects.postgresql import INTERVAL
 from sqlalchemy.sql.functions import concat
@@ -63,6 +62,38 @@ class Job(db.Model):
     def __repr__(self):
         return "<id: {}, start_time: {}, last_update: {}, name: {}, state: {}, num_files: {}, current_file_num: {}, current_file: {}, pa_job_state: {}, wait_for: {}, extra: {}, logs: {}>".format(self.id, self.start_time, self.last_update, self.name, self.state, self.num_files, self.current_file_num, self.current_file, self.pa_job_state, self.wait_for, self.extra, self.logs)
 
+################################################################################
+# Class describing PA_JobManager_Message and in the DB (via sqlalchemy)
+# the job manager can send a message back to the front end (this code) via the 
+# DB.  has to be about a specific job_id and is success/danger, etc. (alert)
+# and a message
+################################################################################
+class PA_JobManager_Message(db.Model):
+    __tablename__ = "pa_job_manager_fe_message"
+    id = db.Column(db.Integer, db.Sequence('pa_job_manager_fe_message_id_seq'), primary_key=True )
+    job_id = db.Column(db.Integer, db.ForeignKey('job.id') )
+    alert = db.Column(db.String)
+    message = db.Column(db.String)
+    job = db.relationship ("Job" )
+    def __repr__(self):
+        return f"<id: {self.id}, job_id: {self.job_id}, alert: {self.alert}, message: {self.message}, job: {self.job}"
+
+
+################################################################################
+# GetJM_Message: used in html to display any message for this front-end
+################################################################################
+def GetJM_Message():
+    msg=PA_JobManager_Message.query.first()
+    return msg
+
+################################################################################
+# ClearJM_Message: used in html to clear any message just displayed
+################################################################################
+def ClearJM_Message(id):
+    print("ClearJM_Message called")
+    PA_JobManager_Message.query.filter(PA_JobManager_Message.id==id).delete()
+    db.session.commit()
+    return
 
 ################################################################################
 # Used in main html to show a red badge of # jobs to draw attention there are
@@ -269,6 +300,21 @@ def joblog_search():
     return ret
 
 
+###############################################################################
+# / -> POST -> looks for pa_job_manager status to F/E jobs and sends json of
+# them back to F/E (called form internal/js/jobs.js:CheckForJobs()
+################################################################################
+@app.route("/checkforjobs", methods=["POST"])
+@login_required
+def CheckForJobs():
+    num=GetNumActiveJobs()
+    sts=[]
+    print("CheckForJobs called" )
+    for msg in PA_JobManager_Message.query.all():
+        print("there is a PA_J_MGR status message" )
+        u='<a class="link-light" href="' + url_for('joblog', id=msg.job_id) + '">Job # ' + str(msg.job_id) + '</a>: '
+        sts.append( { 'message': u+msg.message, 'alert': msg.alert } )
+    return make_response( jsonify( num_active_jobs=num, sts=sts ) )
 
 ###############################################################################
 # This func creates a new filter in jinja2 to format the time from the db in a