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dadish

GraphQL for ProcessWire

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25 minutes ago, dragan said:

Granted, I didn't do extensive testing so far, but I guess it throws errors each time when there is no value in a field. (hence, the selector "only show if images.count > 0" was working fine). Could that be? Earlier it just outputted empty nodes or null instead (which I would expect and is totally fine).

It could be. When some field is empty it should return null or empty array. Somewhere in the code it might be trying to return a value instead. I'm looking into FieldtypeInteger and can't quite figure out yet what I missed.

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New Version 1.0.4

- Fixes empty value bug for FieldtypeInteger.

@dragan I was able to reproduce error for FieldtypeInteger. Turns out ProcessWire returns an empty string instead of null when FieldtypeInteger is empty. That's why GraphQL schema was complaining about getting empty string instead of Int.

Let me know if the latest patch works for you.

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@dadish 

Thanks for the quick update / fix.

I tried it again today, and while empty int fields are no longer a problem, I get some other strange issues:

I can query some page reference fields, but not others. The error shown is like:

Spoiler

{
  "errors": [
    {
      "message": "Cannot query field \"title\" on type \"Page\".",
      "extensions": {
        "category": "graphql"
      },
      "locations": [
        {
          "line": 10,
          "column": 11
        }
      ]
    },
    {
      "message": "Cannot query field \"title\" on type \"Page\".",
      "extensions": {
        "category": "graphql"
      },
      "locations": [
        {
          "line": 15,
          "column": 11
        }
      ]
    },
    {
      "message": "Cannot query field \"title\" on type \"Page\".",
      "extensions": {
        "category": "graphql"
      },
      "locations": [
        {
          "line": 20,
          "column": 11
        }
      ]
    }
  ]
}

Unlike with the integer issue, the output stops, i.e. there is no additional data output shown.

I compared a pageref field that doesn't throw GraphQL errors with another one that does:

The one that works shows this in the documentation explorer panel: (when searching with the field-name)

ProductPageArray
ProductPage
ProjectPage.product
ProjectCreateInput.product
ProjectUpdateInput.product

While others just show:

ProjectPage.industry
ProjectCreateInput.industry
ProjectUpdateInput.industry

(project = template, product + industry = page reference fields)

Does that give you a hint what's happening behind the scenes? 

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3 minutes ago, dragan said:

"message": "Cannot query field \"title\" on type \"Page\".",

 

When you create a FieldtypePage field it can store a reference to any page. Which means the module cannot know which template those pages have upfront, which in turn means we cannot know which fields those pages will have when we generate the schema (except built in fields like id, name, url and etc). But if you set a particular template for selectable pages for that field, then it will detect it and additional template fields for your page references will be available.

So my guess would be that your page reference field does not have a template assigned to it. Is that your case?

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11 minutes ago, dadish said:

So my guess would be that your page reference field does not have a template assigned to it. Is that your case?

No, they all have a template assigned (most though without a physical file - don't think that should matter).

12 minutes ago, dadish said:

which in turn means we cannot know which fields those pages will have when we generate the schema (except built in fields like id, name, url and etc)

I only ever just use the system-field title. Is that not included?

Strange thing is that if I replace title with name in the query, it works. But (again, just for some PR fields) if use title, I get errors.

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27 minutes ago, dragan said:

I only ever just use the system-field title. Is that not included?

No, it's not. The title field can be removed from the page. so it's not included by default.

28 minutes ago, dragan said:

Strange thing is that if I replace title with name in the query, it works. But (again, just for some PR fields) if use title, I get errors.

In your graphql documentation, does your page reference fields has a title field in them?

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28 minutes ago, dadish said:

In your graphql documentation, does your page reference fields has a title field in them?

Yes. 

PageType with template service.

title: PageTitle!
Field with the type of FieldtypePageTitle

It's listed in the config under "legalFields" (showing as "title (system)").

However, I can't choose it from legalPageFields, i.e. the dropdown doesn't list it.

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2 minutes ago, dragan said:

However, I can't choose it from legalPageFields, i.e. the dropdown doesn't list it.

That's fine. You should set it under legalFields config. The legalPageFields is for built-in fields like name, id, path, url, created and etc.

I'm still not sure how this could be happening. You're the second person with this problem but I can't reproduce it. Page reference fields have title and I can query them on my installations. Is there any chance that you can reproduce this in any of the Site Profiles? Then you can export it with Site Profile Exporter and share with me. I will continue trying to reproduce it but it'll go faster if you help me with it.

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8 minutes ago, dadish said:

Is there any chance that you can reproduce this

I'll gladly do so and try to find a pattern that might help to isolate/identify the root cause. Alas, this week I'm short on time 😞

 

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New Version 1.0.5

- Fixes empty value bug for FieldtypePage and FieldtypePage::derefAsPageOrFalse setting.

@dragan I was trying to reproduce your bug but encountered different one which is also related to FieldtypePage. This probably not related to your bug but try it anyway when you have time.

 

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When trying to fetch Repeater fields with module version 1.0.5, I get responses like this one:

[ 
	{ 
		"title": "", 
		"body": "", 
		"products": { 
			"list": [], 
			"__typename": "ProductPageArray" 
		}, 
		"__typename": "RepeaterProductGroupsPage" 
	},
	{ 
		"title": "", 
		"body": "", 
		"products": { 
			"list": [], 
			"__typename": "ProductPageArray" 
		}, 
		"__typename": "RepeaterProductGroupsPage" 
	} 
]

So I get an answer with the expected data structure (and no errors whatsoever), but the values of the fields are always empty. Also the amount of repeater items in the response matches with the backend. This is when I send the request from the frontend (via Apollo). Looking at the same query within GraphiQL returns the data with the correct values.

Could this be a permission problem? I correctly set the access permissions to view for all the fields mentioned in the query.

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6 hours ago, charger said:

Could this be a permission problem? I correctly set the access permissions to view for all the fields mentioned in the query.

Yes, it is probably a permission problem. For the page fields. You need to make sure the user has view permission for the pages in the page field. So in your case, you need to make sure that user has a view permission for product template.

Not sure why the title and body are not showing up. But, If you are setting permissions in the template context, then you need to set them for the fields in your repeater too. Either via the repeater field settings or via the template that your repeater is using. That would be repeater_product_groups template, if I guessed the name correctly.

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The template permissions are set correctly then. The guest role has view permission on the product template.

I’m setting the field permissions not in template context, but per field. So they all have the view permission, also in template context. Just double-checked that. What’s weird is that title and body generally work outside a repeater field. It’s only within the repeater field, that they return no values.

Any other ideas?

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@charger So the bug you're facing is due to the fact that repeaters are pages under the hood and the module checks permission those pages as well and since you do not have view access enabled for your repeater template the values return empty. So in version 1.0.5 you just need to enable view access for your repeater template repeater_product_groups and the values should show up.

But since you are already enabling view for your repeater field I think it's safe to assume that you want to enable view for template that used by that repeater field too. So for latest version 1.0.6 that I just released you don't have to enable access to your repeater templates. Just enabling access to your repeater field is enough.

New Version 1.0.6

Just upgrade the module to the version above and let me know if it solves your problem.

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@dadish I’m afraid the problem persists. I get the exact same response. I cleared compiled files and browser cache.

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@charger I have no other ideas how to solve your case. Could you describe the steps to reproduce the error? You can take a starting point of any site profile and outline the steps to reproduce the issue. That would make it much easier for me to help you.

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I could track down the problem to Apollo fragments (specifically using the same fragment more than once in the same query). Not sure why this only popped up inside Repeater fields though.

Thanks for the support!

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Hi @dadish the module is awesome. But i have some troubles with language support.

Here is my query:

{
  language(name: "default")
  airport(s: "limit=4, sort=title") {
    list {
      id
      title
    }
  }
}

Here is the response problem:

{
  "errors": [
    {
      "message": "Cannot query field \"language\" on type \"Query\".",
      "extensions": {
        "category": "graphql"
      },
      "locations": [
        {
          "line": 2,
          "column": 3
        }
      ]
    },
    {
      "message": "Cannot query field \"title\" on type \"AirportPage\".",
      "extensions": {
        "category": "graphql"
      },
      "locations": [
        {
          "line": 6,
          "column": 7
        }
      ]
    }
  ]
}

title field has type - Page Title (Multi-Language), but as it mentioned above response is "Cannot query field \"title\" on type \"AirportPage\"

Here is GraphQL module configuration screen.

image.thumb.png.52deabac2d789cf74b032aa527375c5d.png

Where did I make a mistake?

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9 hours ago, Ilyas said:

Where did I make a mistake?

Nowhere. This is embarrassing. I forgot about language field when I rewrote the module for alternative graphql library. My bad, sorry.

New Version 1.1.0

I updated the module to support languages now. Please upgrade and it should work fine. Sorry for inconvenience and thanks a lot for the feedback.

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Hello,
First i want to to thank @dadish for this very helpful module! 
I played around a bit with existing pages (in development) and i have a question regarding the "title issue":

I'm trying to get the title from child pages with this query:

{
  job{
    getTotal
    list {
      title
      id
      job_client {
        list {
          title
        }
      }
      children(s: "template=task") {
        list {
          title
        }
      }
    }
  }
}

the task template has the title field but i only get this result:

{
  "errors": [
    {
      "message": "Cannot query field \"title\" on type \"Page\".",
      "extensions": {
        "category": "graphql"
      },
      "locations": [
        {
          "line": 14,
          "column": 11
        }
      ]
    }
  ]
}

Children results work with "name" instead of "title"...

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      * watermarkText

      watermarkText($text, $size=10, $position='center', $padding=2, $opacity=50, $trueTypeFont=null)
      param: $text - (string) the text that you want to display on the image param: $size - (integer) 1 - 100, unit = points, good value seems to be around 10 to 15 param: $position - (string) is one out of: N, E, S, W, C, NE, SE, SW, NW,
      - or: north, east, south, west, center, northeast, southeast, southwest, northwest
      default is 'center' param: $padding - (integer) 0 - 25, default is 2, padding to the borders in percent of the images length! param: $opacity- (integer) 1 - 100, default is 50 param: $trueTypeFont - (string) systemfilepath to a TrueTypeFont, default is freesansbold.ttf (is GPL & comes with the module) return: pim - (class handle) Here you can display (dynamic) text with transparency over the memory image. You have to define your text, and optionally size, position, padding, opacity for it. And if you don't like the default font, freesansbold, you have to point to a TrueTypeFont-File of your choice.
      Please have a look to example output: http://processwire.com/talk/topic/4264-release-page-image-manipulator/page-2#entry41989
      -------------------------------------------------------------------





      PageImage Manipulator - Example Output


    • By d'Hinnisdaël
      Format Datetime fields as Carbon instances.
      You can find the latest release and the complete readme on Github.
      Installation
      composer require daun/datetime-carbon-format Usage
      All Datetime fields will now be formatted as Carbon instances instead of strings. Some examples:
      // $page->date is a Datetime field // Output format: j/n/Y echo $page->date; // 20/10/2020 echo $page->date->add('7 days'); // 27/10/2020 echo $page->date->format('l, F j'); // Monday, October 20 echo $page->date->year; // 2020 echo $page->date->diffForHumans(); // 28 minutes ago Frontend only
      The ProcessWire admin seems to expect datetime fields to be strings. This module will only return Carbon instances on frontend page views.
      Date output format
      When casting a Carbon instance to a string (usually when outputting the field in a template), the field's date output format will be respected.
      Links
      GitHub • Readme • Carbon docs
       
       
      PS. I remember reading about a Carbon module in a recent newsletter, but couldn't find it anywhere. Was that you, @bernhard?
    • By MoritzLost
      TrelloWire
      This is a module that allows you to automatically create Trello cards for ProcessWire pages and update them when the pages are updated. This allows you to setup connected workflows. Card properties and change handling behaviour can be customized through the extensive module configuration. Every action the module performs is hookable, so you can modify when and how cards are created as much as you need to. The module also contains an API-component that makes it easy to make requests to the Trello API and build your own connected ProcessWire-Trello workflows.
      Warning: This module requires ProcessWire 3.0.167 which is above the current stable master release at the moment.
      Features
      All the things the module can do for you without any custom code: Create a new card on Trello whenever a page is added or published (you can select applicable templates). Configure the target board, target list, name and description for new cards. Add default labels and checklists to the card. Update the card whenever the page is updated (optional). When the status of the card changes (published / unpublished, hidden / unhidden, trashed / restored or deleted), move the card to a different list or archive or delete it (configurable). You can extend this through hooks in many ways: Modifiy when and how cards are created. Modify the card properties (Target board & list, title, description, et c.) before they are sent to Trello. Create your own workflows by utilizing an API helper class with many convenient utility methods to access the Trello API directly. Feedback & Future Plans
      Let me know what you think! In particular:
      If you find any bugs report them here or on Github, I'll try to fix them. This module was born out of a use-case for a client project where we manage new form submissions through Trello. I'm not sure how many use-cases there are for this module. If you do use it, tell me about it! The Trello API is pretty extensive, I'll try to add some more helper methods to the TrelloWireApi class (let me know if you need anything in particular). I'll think about how the module can support different workflows that include Twig – talk to me if you have a use-case! Next steps could be a dashboard to manage pages that are connected to a Trello card, or a new section in the settings tab to manage the Trello connection. But it depends on whether there is any interest in this 🙂 Links
      Repository on Github Complete module documentation (getting started, configuration & API documentation) TrelloWire in the modules directory Module configuration

    • By David Karich
      ProcessWire InputfieldRepeaterMatrixDuplicate
      Thanks to the great ProModule "RepeaterMatrix" I have the possibility to create complex repeater items. With it I have created a quite powerful page builder. Many different content modules, with many more possible design options. The RepeaterMatrix module supports the cloning of items, but only within the same page. Now I often have the case that very design-intensive pages and items are created. If you want to use a content module on a different page (e.g. in the same design), you have to rebuild each item manually every time.
      This module extends the commercial ProModule "RepeaterMatrix" by the function to duplicate repeater items from one page to another page. The condition is that the target field is the same matrix field from which the item is duplicated. This module is currently understood as proof of concept. There are a few limitations that need to be considered. The intention of the module is that this functionality is integrated into the core of RepeaterMatrix and does not require an extra module.
      Check out the screencast
      What the module can do
      Duplicate multible repeater items from one page to another No matter how complex the item is Full support for file and image fields Multilingual support Support of Min and Max settings Live synchronization of clipboard between multiple browser tabs. Copy an item and simply switch the browser tab to the target page and you will immediately see the past button Support of multiple RepeaterMatrix fields on one page Configurable which roles and fields are excluded Configurable dialogs for copy and paste Duplicated items are automatically pasted to the end of the target field and set to hidden status so that changes are not directly published Automatic clipboard update when other items are picked Automatically removes old clipboard data if it is not pasted within 6 hours Delete clipboard itself by clicking the selected item again Benefit: unbelievably fast workflow and content replication What the module can't do
      Before an item can be duplicated in its current version, the source page must be saved. This means that if you make changes to an item and copy this, the old saved state will be duplicated Dynamic loading is currently not possible. Means no AJAX. When pasting, the target page is saved completely No support for nested repeater items. Currently only first level items can be duplicated. Means a repeater field in a repeater field cannot be duplicated. Workaround: simply duplicate the parent item Dynamic reloading and adding of repeater items cannot be registered. Several interfaces and events from the core are missing. The initialization occurs only once after the page load event Attention, please note!
      Nested repeaters cannot be supported technically. Therefore a check is made to prevent this. However, a nested repeater can only be detected if the field name ends for example with "_repeater1234". For example, if your MatrixRepeater field is named like this: "content_repeater" or "content_repeater123", this field is identified as nested and the module does not load. In version 2.0.1 the identification has been changed so that a field ending with the name repeater is only detected as nested if at least a two-digit number sequence follows. But to avoid this problem completely, make sure that your repeater matrix field does NOT end with the name "repeater".
      Changelog
       
      2.0.1
      Bug fix: Thanks to @ngrmm I could discover a bug which causes that the module cannot be loaded if the MatrixRepeater field ends with the name "repeater". The code was adjusted and information about the problem was provided 2.0.0
      Feature: Copy multiple items at once! The fundament for copying multiple items was created by @Autofahrn - THX! Feature: Optionally you can disable the copy and/or paste dialog Bug fix: A fix suggestion when additional and normal repeater fields are present was contributed by @joshua - THX! 1.0.4
      Bug fix: Various bug fixes and improvements in live synchronization Bug fix: Items are no longer inserted when the normal save button is clicked. Only when the past button is explicitly clicked Feature: Support of multiple repeater fields in one page Feature: Support of repeater Min/Max settings Feature: Configurable roles and fields Enhancement: Improved clipboard management Enhancement: Documentation improvement Enhancement: Corrected few typos #1 1.0.3
      Feature: Live synchronization Enhancement: Load the module only in the backend Enhancement: Documentation improvement 1.0.2
      Bug fix: Various bug fixes and improvements in JS functions Enhancement: Documentation improvement Enhancement: Corrected few typos 1.0.1
      Bug fix: Various bug fixes and improvements in the duplication process 1.0.0
      Initial release Support this module
      If this module is useful for you, I am very thankful for your small donation: Donate 5,- Euro (via PayPal – or an amount of your choice. Thank you!)
      Download this module (Version 2.0.1)
      > Github: https://github.com/FlipZoomMedia/InputfieldRepeaterMatrixDuplicate
      > PW module directory: https://modules.processwire.com/modules/inputfield-repeater-matrix-duplicate/
      > Old stable version (1.0.4): https://github.com/FlipZoomMedia/InputfieldRepeaterMatrixDuplicate/releases/tag/1.0.4
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