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    • By louisstephens
      So I reread my first draft, and it made absolutely no sense (I deleted it to hopefully better explain myself).  I am trying to make a system (that to me is a bit complicated) utilizing jquery and processwire together. My whole goal is to put a url like https://domain.com/launch?first_name=jim&occupation=builder in a script tag on another site(just a localhost .php page) to then pull out the data for that person and append to divs etc. Basically, the initial script tag would point to "launch" which has a content-type of "application/javascript". Using jquery, I would pull out the persons name and occupation and then make a specific ajax get request to "domain.com/api" (in json format) for a look up of the person. Essentially then I could pull that particular person's information from the json data, and do with it how I please in the "launch" page.  In processwire, I have a page structure like:
      People -Jim Bob (template: person ) --Occupations (template: basic-page) ---Builder (template: occupation) ---Greeter (template: occupation) It is really just a bunch of people with their occupations and a few fields to the occupation template. With the "api" (template: api) url, I was hoping to return all the data (of people) in json format like:
      Example Format:
      { "id": 1, "title": "Jim Bob", "occupations": { "builder": { "id": 44, "title": "Builder", "years_worked": 1, "etc": "ect", }, "Greeter": { "id": 44, "title": "Greeter", "years_worked": 1, "etc": "ect", }, } } Where I get lost is really outputting the page names and nesting in the occupations into json. I have used Pages2JSON before, but I was a bit lost on how to implement what i was thinking.
       
      I have access to all the local host files, but I was hoping to kind of build out a "system" where I could place the script tag/parameters in any project, and be able to interact with the data without doing an ajax call on the actual site. In a way, this would keep processwire handling all the data and requests, and my other "projects" just with a simple script tag. This might all be way too much/over complicated, but I couldn't quite wrap my head around how to achieve it. 
    • By Peter Knight
      Is there a way to make JPGs progressive by default via the API?
      I've added the following to my site/config.php file but user-uploaded images are often displayed as non progressive.
      $config->imageSizerOptions = array( 'upscaling' => true, // upscale if necessary to reach target size? 'cropping' => true, // crop if necessary to reach target size? 'autoRotation' => true, // automatically correct orientation? 'interlace' => true, // use interlaced JPEGs by default? (recommended) 'sharpening' => 'soft', // sharpening: none | soft | medium | strong 'quality' => 95, // quality: 1-100 where higher is better but bigger 'hidpiQuality' => 60, // Same as above quality setting, but specific to hidpi images 'defaultGamma' => 0.5, // defaultGamma: 0.5 to 4.0 or -1 to disable gamma correction (default=2.0) ); Thanks
    • By pwFoo
      I played with the Selectors object and would like to use it for a special use case...
      That is a custom Selectors object with dummy data converted to an php array to see the structure (Selectors object is a WireArray with "fields" added)
      Array ( [0] => Array ( [0] => Array ( [field] => seg1 [value] => val1 [not] => [group] => [quote] => [forceMatch] => ) [1] => Array ( [field] => seg2 [value] => val2 [not] => [group] => [quote] => [forceMatch] => ) ) )  
      But instead of "seg1" the field name is "field" with value "seg1" (= my field name).
       
      So I can't search the Selectors WireArray (= custom WireArray with added Selectors objects) with PW "find('seg1=val1')", Is there a way to search with "find()" or build a simple wrapper to make the elements searchable / filterable with find()?
    • By celfred
      Hello,
      I'm struggling with this : a 'group' field of 'Page' type.
      The parent of selectable pages is '/groups', the template is 'group', and a member can create some groups in the /groups tree. I would like this user to see only the groups he or she has created so in my 'Find selector' in the backend, I would like to use :

      template=group, created_users_id=$user->id But that doesn't seem to work... I still get the list of all available groups in the /groups tree.
      Any idea ?
      I had a feeling I had already seen that before (something like $user->id must be replaced by users_id or something, but I can't find anything in the Forums... and all my tests keep failing...
    • By Mobiletrooper
      Hey Ryan, hey friends,
      we, Mobile Trooper a digital agency based in Germany, use ProcessWire for an Enterprise-grade Intranet publishing portal which is under heavy development for over 3 years now. Over the years not only the user base grew but also the platform in general. We introduced lots and lots of features thanks to ProcessWire's absurd flexibility. We came along many CMS (or CMFs for that matter) that don't even come close to ProcessWire. Closest we came across was Locomotive (Rails-based) and Pimcore (PHP based).
      So this is not your typical ProcessWire installation in terms of size.
      Currently we count:
      140 Templates (Some have 1 page, some have >6000 pages)
      313 Fields
      ~ 15k Users (For an intranet portal? That's heavy.)
      ~ 195 431 Pages (At least that's the current AUTOINCREMENT)
       
      I think we came to a point where ProcessWire isn't as scalable anymore as it used to be. Our latest research measured over 20 seconds of load time (the time PHP spent scambling the HTML together). That's unacceptable unfortunately. We've implemented common performance strategies like:
      We're running on fat machines (DB server has 32 gigs RAM, Prod Web server has 32gigs as well. Both are running on quadcores (xeons) hosted by Azure.
      We have load balancing in place, but still, a single server needs up to 20 sec to respond to a single request averaging at around about 12 sec.
      In our research we came across pages that sent over 1000 SQL queries with lots of JOINs. This is obviously needed because of PWs architecture (a field a table) but does this slow mySQL down much? For the start page we need to get somewhere around 60-80 pages, each page needs to be queried for ~12 fields to be displayed correctly, is this too much? There are many different fields involved like multiple Page-fields which hold tags, categories etc.
      We installed Profiler Pro but it does not seem to show us the real bottleneck, it just says that everything is kinda slow and sums up to the grand total we mentioned above.
      ProCache does not help us because every user is seeing something different, so we can cache some fragments but they usually measure at around 10ms. We can't spend time optimising if we can't expect an affordable benefit. Therefore we opted against ProCache and used our own module which generates these cache fragments lazily. 
      That speeds up the whole page rendering to ~7 sec, this is acceptable compared to 20sec but still ridiculously long.
      Our page consists of mainly dynamic parts changing every 2-5 minutes. It's different across multiple users based on their location, language and other preferences.
      We also have about 120 people working on the processwire backend the whole day concurrently.
       
      What do you guys think?
      Here are my questions, hopefully we can collect these in a wiki or something because I'm sure more and more people will hit that break sooner than they hoped they would:
       
      - Should we opt for optimising the database? Since >2k per request is a lot even for a mysql server, webserver cpu is basically idling at that time.
      - Do you think at this point it makes sense to use ProcessWire as a simple REST API?
      - In your experience, what fieldtypes are expensive? Page? RepeaterMatrix?
      - Ryan, what do you consider as the primary bottleneck of processwire?
      - Is the amount of fields too much? Would it be better if we would try to reuse fields as much as possible?
      - Is there an option to hook onto ProcessWires SQL builder? So we can write custom SQL for some selectors?
       
      Thanks and lots of wishes,
      Pascal from Mobile Trooper
       
       
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