How to implement a login function to view content, in order to better attract users to register

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This is easy to do. There is an attribute in the topic model that shows whether you have replied to it. It is called posted. I wrote a component before ( Composer tip under specific tag topics ) that determines whether you have replied. If you have a programming background, you can take a look at what I wrote. Combined with the decorateCookedElement method of the API, it can be implemented to hide content when not replied to.

I am too lazy to write the specific code. I have been very busy recently.

<script type="text/discourse-plugin" version="1.6.0">

const user = api.getCurrentUser();

const I18n = require("I18n");

const pid = "post_hider"

const tl4_css = `
.d-editor-preview [data-theme-hide] {
  background: var(--tertiary);
  color: var(--secondary);
  border-top: 2px solid var(--secondary);
  position: sticky;
  top: 0;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.d-editor-preview [data-theme-hide]::before {
  content: "This post is hidden";
}
`

api.addPostClassesCallback((attrs) => {
if (attrs?.cooked?.includes(`div data-theme-hide="true"`)) {
  return ["hiddened"]; // For adding CSS, how you write the CSS next is up to you
} else {
  return [];
}
});

if (!user) {
    api.decorateCookedElement((el, helper) => {
        function hide_post() {
            setTimeout( () => {
                try {
                    // document.querySelector(`[data-post-id="${helper?.widget?.attrs?.id}"]`)?.parentElement?.remove();
                } catch (err) {
                    console.log(el);
                    console.log(err);
                }
            }, 1000);
        }
        if (el?.querySelector(`[data-theme-hide="true"]`)) {
            el.innerHTML = `<p>Post hidden by community</p>`; // Modify this line
            hide_post();
        }
    }, {
        id: pid,
        afterAdopt: true,
        onlyStream: true,
    });
}


</script>

I remembered that I have a piece of code here that I used to hide the entire post from non-logged-in users. You can use it for reference.

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