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Updating existing scraper and dbase management changes

I have an existing scrapper running with a back end management system in PHP. Both scraper and back end are coded in PHP with MySQL dbase.

The scrapper is for a real estate website that collects sales data, property address and details, and underlying photos. The original scraper is designed to track the same property and log when the property changes price, sold or rented over time. So the same property scan be scraped many times over a course of a few weeks and will only log the changes in the property price etc (see Summary photo for an example). This scrapper already EXISTS and I would like to fix bugs to make it operate better.

So please quote on the following, I would like to amend the scrapper to fix a few bugs and adjustment to the backend system including:

1. Everytime the scraper runs, it collects the photos of the same property again even though it shouldn't. See attached photo of summary page that has duplicate photos.

2. Algorithm for deleting duplicate photos in the database and photo files on the server for a given property. Duplicate files have been collected due to an error in the scrapper as above - to the extent possible, i would like to reverse this and just keep one set of photos - i don't want to do this manually!

3. Adding a delete link for each photo on the summary page so I can see which photo I am deleting

4. Error checking and review of the scrapper for improvement and efficiency (which will lead into flow on work if I am happy) as each scrapper run time is currently tracked and monitored

It is critical for this project that the database (and photo files) remain intact and not compromised (ex. duplicate photos).

Compétences : MySQL, PHP, Web Scraping

Voir plus : web photo management, web dbase, set algorithm, quote lead, page reverse, lead management system in php, flow algorithm, efficiency of an algorithm, efficiency of algorithm, delete quote, algorithm set, algorithm flow, algorithm efficiency, time property management, web scrapper, updating, scraper, Lead management system , designed and coded, delete duplicate, scraper mysql php, real estate data scraper, mysql algorithm, end real estate photo, php photo management

Concernant l'employeur :
( 5 commentaires ) Manly, Hong Kong

N° du projet : #1055266

9 freelance ont fait une offre moyenne de 149 $ pour ce travail

denisCh

Please check PM

100 $ AUD en 2 jours
(71 Commentaires)
7.5
srinichal

I can deliver the changes to the scrapper

180 $ AUD en 5 jours
(117 Commentaires)
7.3
mantislin

Hi sir, Please check PM.

250 $ AUD en 3 jours
(197 Commentaires)
7.0
wildlily980

I can do it.

150 $ AUD en 5 jours
(50 Commentaires)
6.3
webmonster2126

Ready to start. Please view my PMB for more details.

100 $ AUD en 4 jours
(9 Commentaires)
5.6
Visionary009

Hello sir, Kindly check PM for Details

60 $ AUD en 2 jours
(11 Commentaires)
3.8
SGeorgopoulos

Please check your pm

100 $ AUD en 2 jours
(2 Commentaires)
2.8
ayashachen

Hello, i can do this in a timely manner look to work with you At your disposal for any query. Regards

150 $ AUD en 1 jour
(7 Commentaires)
2.5
Datacrops

Dear Client, Please see PM. Regards, Chandni

250 $ AUD en 5 jours
(0 Commentaires)
3.8