From c9e231c5fcbc01d00ee5cdd4458ece8fcaf6d39c Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Fri, 20 May 2022 09:25:28 +0300
Subject: Handle errors

Implement code to handle errors in the processing of files.
---
 qc_app/parse.py                      | 16 ++++++----------
 qc_app/templates/parse_failure.html  | 26 ++++++++++++++++++++++++++
 qc_app/templates/worker_failure.html | 24 ++++++++++++++++++++++++
 3 files changed, 56 insertions(+), 10 deletions(-)
 create mode 100644 qc_app/templates/parse_failure.html
 create mode 100644 qc_app/templates/worker_failure.html

(limited to 'qc_app')

diff --git a/qc_app/parse.py b/qc_app/parse.py
index d2fa030..c97f078 100644
--- a/qc_app/parse.py
+++ b/qc_app/parse.py
@@ -109,21 +109,17 @@ def results(job_id: str):
 def fail(job_id: str):
     """Handle parsing failure"""
     with Redis.from_url(app.config["REDIS_URL"], decode_responses=True) as rconn:
-        old_job = jobs.job(rconn, job_id)
+        job = jobs.job(rconn, job_id)
 
-    if old_job:
+    if job:
         error_filename = jobs.error_filename(
             job_id, f"{app.config['UPLOAD_FOLDER']}/job_errors")
         if os.path.exists(error_filename):
             stat = os.stat(error_filename)
             if stat.st_size > 0:
-                with open(error_filename) as errorfile:
-                    return errorfile.read()
-
-        # job_id = old_job["job_id"]
-        progress = old_job["progress"]
-        status = old_job["status"]
-        results = old_job["results"]
-        filename = old_job["filename"]
+                return render_template(
+                    "worker_failure.html", job_id=job_id)
+
+        return render_template("parse_failure.html", job=job)
 
     return render_template("no_such_job.html", job_id=job_id)
diff --git a/qc_app/templates/parse_failure.html b/qc_app/templates/parse_failure.html
new file mode 100644
index 0000000..31f6be8
--- /dev/null
+++ b/qc_app/templates/parse_failure.html
@@ -0,0 +1,26 @@
+{%extends "base.html"%}
+
+{%block title%}Worker Failure{%endblock%}
+
+{%block contents%}
+<h1 class="heading">Worker Failure</h1>
+
+<p>
+  There was an error while parsing your file.
+</p>
+
+<p>
+  Please notify the developers of this issue when you encounter it,
+  providing the information below.
+</p>
+
+<h4>Debugging Information</h4>
+
+<ul>
+  <li><strong>job id</strong>: {{job["job_id"]}}</li>
+  <li><strong>filename</strong>: {{job["filename"]}}</li>
+  <li><strong>line number</strong>: {{job["line_number"]}}</li>
+  <li><strong>Progress</strong>: {{job["percent"]}} %</li>
+</ul>
+
+{%endblock%}
diff --git a/qc_app/templates/worker_failure.html b/qc_app/templates/worker_failure.html
new file mode 100644
index 0000000..b65b140
--- /dev/null
+++ b/qc_app/templates/worker_failure.html
@@ -0,0 +1,24 @@
+{%extends "base.html"%}
+
+{%block title%}Worker Failure{%endblock%}
+
+{%block contents%}
+<h1 class="heading">Worker Failure</h1>
+
+<p>
+  There was a critical failure launching the job to parse your file.
+  This is our fault and (probably) has nothing to do with the file you uploaded.
+</p>
+
+<p>
+  Please notify the developers of this issue when you encounter it,
+  providing the link to this page, or the information below.
+</p>
+
+<h4>Debugging Information</h4>
+
+<ul>
+  <li><strong>job id</strong>: {{job_id}}</li>
+</ul>
+
+{%endblock%}
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