Add Condition target {this page}

docs/query-builder.md

@@ -79,6 +79,16 @@ You can use a combination of multiple **conditions** to select the data you want
 | `with text`             | The `source` block or page has the exact text `target` somewhere in its block text or page title.                                           | [Link](examples.md#with-text)             |
 | `with text in title`    | The `source` page has the exact text `target` somewhere in its page title.                                                                  | [Link](examples.md#with-title-in-text)    |
 
+### Target Options
+
+Some relationships have a `target` field that supports the following options:
+
+- `{date}` - matches any Daily Note Page
+- `{date:today}` - matches the current date
+- `{current}` - matches the page currently open in the main window
+- `{this page}` - matches the page in which the query is run
+- `{current user}` - matches the current user
+
 ## Selections
 
 **Selections** specify what data from the blocks that match your conditions get returned. They determine the **columns** of the table. By default, the block text or page title is always returned and hyperlinked. Every selection is made up of two parts: the `label` and the `data`:

src/utils/conditionToDatalog.ts

@@ -17,6 +17,7 @@ import getPageTitleByPageUid from "roamjs-components/queries/getPageTitleByPageU
 import getPageTitlesStartingWithPrefix from "roamjs-components/queries/getPageTitlesStartingWithPrefix";
 import extractRef from "roamjs-components/util/extractRef";
 import getCurrentUserDisplayName from "roamjs-components/queries/getCurrentUserDisplayName";
+import getPageTitleByBlockUid from "roamjs-components/queries/getPageTitleByBlockUid";
 
 type ConditionToDatalog = (condition: Condition) => DatalogClause[];
 
@@ -32,9 +33,11 @@ const regexRePatternValue = (str: string) => {
 const getTitleDatalog = ({
   source,
   target,
+  uid,
 }: {
   source: string;
   target: string;
+  uid?: string;
 }): DatalogClause[] => {
   const dateMatch = /^\s*{date(?::([^}]+))?}\s*$/i.exec(target);
   if (dateMatch) {
@@ -93,7 +96,7 @@ const getTitleDatalog = ({
   if (currentMatch) {
     // Can't use this, since it's async
     // window.roamAlphaAPI.ui.mainWindow.getOpenPageOrBlockUid();
-    const uid = getCurrentPageUid();
+    const mainWindowUid = getCurrentPageUid();
     return [
       {
         type: "data-pattern",
@@ -102,7 +105,23 @@ const getTitleDatalog = ({
           { type: "constant", value: ":node/title" },
           {
             type: "constant",
-            value: `"${getPageTitleByPageUid(uid)}"`,
+            value: `"${getPageTitleByPageUid(mainWindowUid)}"`,
+          },
+        ],
+      },
+    ];
+  }
+  const thisPageMatch = /^\s*{this page}\s*$/i.test(target);
+  if (thisPageMatch && uid) {
+    return [
+      {
+        type: "data-pattern",
+        arguments: [
+          { type: "variable", value: source },
+          { type: "constant", value: ":node/title" },
+          {
+            type: "constant",
+            value: `"${getPageTitleByBlockUid(uid)}"`,
           },
         ],
       },
@@ -233,7 +252,7 @@ const translator: Record<string, Translator> = {
     isVariable: true,
   },
   "is referenced by block in page with title": {
-    callback: ({ source, target }) => [
+    callback: ({ source, target, uid }) => [
       {
         type: "data-pattern",
         arguments: [
@@ -250,7 +269,7 @@ const translator: Record<string, Translator> = {
           { type: "variable", value: target },
         ],
       },
-      ...getTitleDatalog({ source: target, target }),
+      ...getTitleDatalog({ source: target, target, uid }),
     ],
     placeholder: "Enter any placeholder for the node",
     targetOptions: () =>
@@ -259,6 +278,7 @@ const translator: Record<string, Translator> = {
         "{date:today}",
         "{current}",
         "{current user}",
+        "{this page}",
       ]),
   },
   "is in page": {
@@ -283,6 +303,7 @@ const translator: Record<string, Translator> = {
         "{date:today}",
         "{current}",
         "{current user}",
+        "{this page}",
       ]),
     placeholder: "Enter a page name or {date} for any DNP",
   },
@@ -585,7 +606,7 @@ const translator: Record<string, Translator> = {
     placeholder: "Enter the display name of any user with access to this graph",
   },
   "references title": {
-    callback: ({ source, target }) => [
+    callback: ({ source, target, uid }) => [
       {
         type: "data-pattern",
         arguments: [
@@ -594,14 +615,15 @@ const translator: Record<string, Translator> = {
           { type: "variable", value: `${target}-Ref` },
         ],
       },
-      ...getTitleDatalog({ source: `${target}-Ref`, target }),
+      ...getTitleDatalog({ source: `${target}-Ref`, target, uid }),
     ],
     targetOptions: () =>
       getAllPageNames().concat([
         "{date}",
         "{date:today}",
         "{current}",
         "{current user}",
+        "{this page}",
       ]),
     placeholder: "Enter a page name or {date} for any DNP",
   },
@@ -620,7 +642,7 @@ const translator: Record<string, Translator> = {
     placeholder: "Enter a heading value (0, 1, 2, 3)",
   },
   "is in page with title": {
-    callback: ({ source, target }) => [
+    callback: ({ source, target, uid }) => [
       {
         type: "data-pattern",
         arguments: [
@@ -629,14 +651,15 @@ const translator: Record<string, Translator> = {
           { type: "variable", value: target },
         ],
       },
-      ...getTitleDatalog({ source: target, target }),
+      ...getTitleDatalog({ source: target, target, uid }),
     ],
     targetOptions: () =>
       getAllPageNames().concat([
         "{date}",
         "{date:today}",
         "{current}",
         "{current user}",
+        "{this page}",
       ]),
     placeholder: "Enter a page name or {date} for any DNP",
   },