Mitigation node

src/common/edge.ts

@@ -16,6 +16,7 @@ export const relationNames = [
   "creates",
   "fulfills",
   "obstacleOf",
+  "mitigates",
 
   // research
   "asksAbout", //question to any node
@@ -66,6 +67,7 @@ export const infoRelationNames: Record<InfoCategory, RelationName[]> = {
     "creates",
     "fulfills",
     "obstacleOf",
+    "mitigates",
     "relatesTo", // is a generic relation but currently only seems worthwhile in topic
   ],
   research: ["asksAbout", "potentialAnswerTo", "relevantFor", "sourceOf", "mentions"],

src/common/node.ts

@@ -20,6 +20,12 @@ export const nodeTypes = [
   "detriment",
   "solution",
   "obstacle",
+  "mitigationComponent",
+  // Technically solution can act as a mitigation, but a separate node type enables us to treat
+  // mitigations as lesser, not-core nodes like solutions.
+  // Will have to keep an eye out for if this seems worth the separate node type, or if it creates
+  // too much confusion.
+  "mitigation",
 
   // research
   "question",
@@ -67,6 +73,8 @@ export const infoNodeTypes: Record<InfoCategory, NodeType[]> = {
     "solutionComponent",
     "solution",
     "obstacle",
+    "mitigationComponent",
+    "mitigation",
     "custom", // is a generic node but currently only seems worthwhile in topic
   ],
   research: ["question", "answer", "fact", "source"],

src/db/migrations/20241216152339_add_mitigation_node/down.sql

@@ -0,0 +1,17 @@
+BEGIN;
+
+-- AlterEnum
+CREATE TYPE "NodeType_new" AS ENUM ('problem', 'solution', 'solutionComponent', 'criterion', 'effect', 'rootClaim', 'support', 'critique', 'question', 'answer', 'fact', 'source', 'custom', 'benefit', 'detriment', 'cause', 'obstacle');
+ALTER TABLE "nodes" ALTER COLUMN "type" TYPE "NodeType_new" USING ("type"::text::"NodeType_new");
+ALTER TYPE "NodeType" RENAME TO "NodeType_old";
+ALTER TYPE "NodeType_new" RENAME TO "NodeType";
+DROP TYPE "NodeType_old";
+
+-- AlterEnum
+CREATE TYPE "EdgeType_new" AS ENUM ('causes', 'subproblemOf', 'addresses', 'accomplishes', 'contingencyFor', 'createdBy', 'has', 'criterionFor', 'creates', 'fulfills', 'obstacleOf', 'asksAbout', 'potentialAnswerTo', 'relevantFor', 'sourceOf', 'mentions', 'supports', 'critiques', 'relatesTo');
+ALTER TABLE "edges" ALTER COLUMN "type" TYPE "EdgeType_new" USING ("type"::text::"EdgeType_new");
+ALTER TYPE "EdgeType" RENAME TO "EdgeType_old";
+ALTER TYPE "EdgeType_new" RENAME TO "EdgeType";
+DROP TYPE "EdgeType_old";
+
+COMMIT;

src/db/migrations/20241216152339_add_mitigation_node/migration.sql

@@ -0,0 +1,10 @@
+BEGIN;
+
+-- AlterEnum
+ALTER TYPE "EdgeType" ADD VALUE 'mitigates';
+
+-- AlterEnum
+ALTER TYPE "NodeType" ADD VALUE 'mitigationComponent';
+ALTER TYPE "NodeType" ADD VALUE 'mitigation';
+
+COMMIT;

src/db/schema.prisma

@@ -93,6 +93,8 @@ enum NodeType {
   solutionComponent
   solution
   obstacle
+  mitigationComponent
+  mitigation
 
   // research
   question
@@ -143,6 +145,7 @@ enum EdgeType {
   creates
   fulfills
   obstacleOf
+  mitigates
 
   // research
   asksAbout

src/web/common/theme.ts

@@ -26,6 +26,7 @@
  * 150 answer
  * 160 criterion
  * 200 support
+ * 230 mitigation, component (desaturated)
  * 240 source
  * 300 problem
  * 320 cause
@@ -187,6 +188,8 @@ const sharedPalette = {
   benefit: augmentColor({ color: { main: oklchToHex("oklch(85% 0.16 130)") } }), // light-green: good thing; slightly more saturated because the color seems nicer, brighter to contrast more with other greens (mainly solution/component)
   detriment: augmentColor({ color: { main: oklchToHex("oklch(85% 0.15 340)") } }), // purple-red: bad thing; slightly brighter to contrast more with cause
   obstacle: augmentColor({ color: { main: oklchToHex("oklch(75% 0.15 0)") } }), // red: bad thing
+  mitigation: augmentColor({ color: { main: oklchToHex("oklch(75% 0.11 230)") } }), // blue: good but different than solution/support; desaturated because the hue seems to naturally be very saturated
+  mitigationComponent: augmentColor({ color: { main: oklchToHex("oklch(75% 0.07 230)") } }), // grey-blue: same as mitigation but with less saturation
 
   // research
   question: augmentColor({ color: { main: oklchToHex("oklch(75% 0 0)") } }), // grey: ambiguous, uncertain

src/web/topic/components/Diagram/Diagram.tsx

@@ -49,6 +49,8 @@ const nodeTypes: Record<FlowNodeType, ComponentType<NodeProps>> = {
   benefit: buildNodeComponent("benefit"),
   detriment: buildNodeComponent("detriment"),
   obstacle: buildNodeComponent("obstacle"),
+  mitigation: buildNodeComponent("mitigation"),
+  mitigationComponent: buildNodeComponent("mitigationComponent"),
 
   // research
   question: buildNodeComponent("question"),

src/web/topic/components/Node/AddNodeButtonGroup.tsx

@@ -3,6 +3,7 @@ import { memo } from "react";
 
 import { NodeType, breakdownNodeTypes } from "@/common/node";
 import { AddNodeButton } from "@/web/topic/components/Node/AddNodeButton";
+import { useIsMitigatableDetriment } from "@/web/topic/store/nodeTypeHooks";
 import { Relation, addableRelationsFrom } from "@/web/topic/utils/edge";
 import { type RelationDirection } from "@/web/topic/utils/graph";
 import { Orientation } from "@/web/topic/utils/layout";
@@ -19,6 +20,7 @@ interface Props {
 const AddNodeButtonGroup = memo(
   ({ className, fromNodeId, fromNodeType, as, orientation }: Props) => {
     const unrestrictedEditing = useUnrestrictedEditing();
+    const isMitigatableDetriment = useIsMitigatableDetriment(fromNodeId);
 
     const addableRelations: { toNodeType: NodeType; relation: Relation }[] =
       // if unrestricted, allow adding any topic node as parent or child (shouldn't be very useful to have outside of topic nodes)
@@ -33,7 +35,21 @@ const AddNodeButtonGroup = memo(
               parent: as === "parent" ? nodeType : fromNodeType,
             },
           }))
-        : addableRelationsFrom(fromNodeType, as);
+        : // hack to ensure that problem detriments can't be mitigated (and can be solved), and solution detriments can be mitigated (but not solved);
+          // this is really awkward but keeps detriment nodes from being able to have both solutions and mitigations added, which could be really confusing for users
+          isMitigatableDetriment && as === "child"
+          ? addableRelationsFrom(fromNodeType, as).map(({ toNodeType, relation }) =>
+              toNodeType === "solution" && relation.name === "addresses"
+                ? {
+                    toNodeType: "mitigation",
+                    relation: { child: "mitigation", name: "mitigates", parent: fromNodeType },
+                  }
+                : {
+                    toNodeType,
+                    relation,
+                  },
+            )
+          : addableRelationsFrom(fromNodeType, as);
 
     if (addableRelations.length === 0) return <></>;
 

src/web/topic/store/nodeTypeHooks.ts

@@ -1,6 +1,30 @@
 import { useTopicStore } from "@/web/topic/store/store";
 import { findGraphPartOrThrow, findNodeOrThrow } from "@/web/topic/utils/graph";
 
+export const useIsMitigatableDetriment = (nodeId: string) => {
+  return useTopicStore((state) => {
+    try {
+      const node = findNodeOrThrow(nodeId, state.nodes);
+      // is mitigatable if it's created by a solution or mitigation
+      return (
+        node.type === "detriment" &&
+        state.edges.find(
+          (edge) =>
+            (edge.source === nodeId && edge.label === "creates") ||
+            // Rare case where detriment is below a solution; this can exist while this discussion is still unresolved https://github.com/amelioro/ameliorate/discussions/579.
+            // This case could technically exist for more situations e.g. detriment created by a solution component,
+            // but not going to spend effort on that until the mentioned discussion determines that such a case is important to cover.
+            (edge.target === nodeId &&
+              edge.label === "createdBy" &&
+              state.nodes.find((node) => node.id === edge.source)?.type === "solution"),
+        ) !== undefined
+      );
+    } catch {
+      return false;
+    }
+  });
+};
+
 export const useQuestionDetails = (questionNodeId: string) => {
   return useTopicStore((state) => {
     try {

src/web/topic/utils/edge.ts

@@ -58,9 +58,14 @@ export const relations: AddableRelation[] = researchRelations.concat([
   { child: "criterion", name: "criterionFor", parent: "problem", addableFrom: "parent" },
   { child: "solutionComponent", name: "addresses", parent: "problem", addableFrom: "child" },
   { child: "solution", name: "addresses", parent: "problem", addableFrom: "both" },
+  { child: "mitigationComponent", name: "addresses", parent: "problem", addableFrom: "neither" },
+  { child: "mitigation", name: "addresses", parent: "problem", addableFrom: "neither" },
 
   { child: "cause", name: "causes", parent: "cause", addableFrom: "parent" },
+  { child: "solutionComponent", name: "addresses", parent: "cause", addableFrom: "neither" },
   { child: "solution", name: "addresses", parent: "cause", addableFrom: "parent" },
+  { child: "mitigationComponent", name: "addresses", parent: "cause", addableFrom: "neither" },
+  { child: "mitigation", name: "addresses", parent: "cause", addableFrom: "neither" },
 
   { child: "criterion", name: "relatesTo", parent: "benefit", addableFrom: "neither" },
   { child: "criterion", name: "relatesTo", parent: "effect", addableFrom: "neither" },
@@ -94,25 +99,49 @@ export const relations: AddableRelation[] = researchRelations.concat([
   { child: "detriment", name: "relatesTo", parent: "criterion", addableFrom: "neither" },
   { child: "solutionComponent", name: "fulfills", parent: "criterion", addableFrom: "neither" },
   { child: "solution", name: "fulfills", parent: "criterion", addableFrom: "neither" },
+  { child: "mitigationComponent", name: "fulfills", parent: "criterion", addableFrom: "neither" },
+  { child: "mitigation", name: "fulfills", parent: "criterion", addableFrom: "neither" },
 
   { child: "solutionComponent", name: "creates", parent: "benefit", addableFrom: "child" },
   { child: "solution", name: "creates", parent: "benefit", addableFrom: "child" },
   { child: "solutionComponent", name: "creates", parent: "effect", addableFrom: "child" },
   { child: "solution", name: "creates", parent: "effect", addableFrom: "child" },
   { child: "solutionComponent", name: "creates", parent: "detriment", addableFrom: "child" },
   { child: "solution", name: "creates", parent: "detriment", addableFrom: "child" },
-
+  { child: "mitigationComponent", name: "creates", parent: "benefit", addableFrom: "child" },
+  { child: "mitigation", name: "creates", parent: "benefit", addableFrom: "child" },
+  { child: "mitigationComponent", name: "creates", parent: "effect", addableFrom: "child" },
+  { child: "mitigation", name: "creates", parent: "effect", addableFrom: "child" },
+  { child: "mitigationComponent", name: "creates", parent: "detriment", addableFrom: "child" },
+  { child: "mitigation", name: "creates", parent: "detriment", addableFrom: "child" },
+
+  { child: "solutionComponent", name: "addresses", parent: "detriment", addableFrom: "neither" },
   { child: "solution", name: "addresses", parent: "detriment", addableFrom: "parent" },
+  { child: "mitigationComponent", name: "mitigates", parent: "detriment", addableFrom: "neither" },
+  { child: "mitigation", name: "mitigates", parent: "detriment", addableFrom: "neither" }, // there's a hack to make this relation addable instead of solution for solution detriments
 
-  { child: "solution", name: "has", parent: "solutionComponent", addableFrom: "child" },
   { child: "solutionComponent", name: "has", parent: "solutionComponent", addableFrom: "child" },
+  { child: "solution", name: "has", parent: "solutionComponent", addableFrom: "child" },
+  {
+    child: "mitigationComponent",
+    name: "has",
+    parent: "mitigationComponent",
+    addableFrom: "child",
+  },
+  { child: "mitigation", name: "has", parent: "mitigationComponent", addableFrom: "child" },
+
   { child: "obstacle", name: "obstacleOf", parent: "solutionComponent", addableFrom: "parent" },
+  { child: "obstacle", name: "obstacleOf", parent: "solution", addableFrom: "parent" },
+  { child: "obstacle", name: "obstacleOf", parent: "mitigationComponent", addableFrom: "parent" },
+  { child: "obstacle", name: "obstacleOf", parent: "mitigation", addableFrom: "parent" },
+
+  { child: "solutionComponent", name: "addresses", parent: "obstacle", addableFrom: "neither" },
+  { child: "solution", name: "addresses", parent: "obstacle", addableFrom: "neither" },
+  { child: "mitigationComponent", name: "mitigates", parent: "obstacle", addableFrom: "neither" },
+  { child: "mitigation", name: "mitigates", parent: "obstacle", addableFrom: "parent" },
 
   { child: "solution", name: "accomplishes", parent: "solution", addableFrom: "parent" },
   { child: "solution", name: "contingencyFor", parent: "solution", addableFrom: "neither" },
-  { child: "obstacle", name: "obstacleOf", parent: "solution", addableFrom: "parent" },
-
-  { child: "solution", name: "addresses", parent: "obstacle", addableFrom: "parent" },
 
   // justification relations
   { child: "support", name: "supports", parent: "rootClaim", addableFrom: "parent" },

src/web/topic/utils/layout.ts

@@ -5,8 +5,7 @@ import { NodeType, nodeTypes } from "@/common/node";
 import { scalePxViaDefaultFontSize } from "@/pages/_document.page";
 import { nodeHeightPx, nodeWidthPx } from "@/web/topic/components/Node/EditableNode.styles";
 import { Diagram } from "@/web/topic/utils/diagram";
-import { type Edge, type Node } from "@/web/topic/utils/graph";
-import { edges as nodeEdges } from "@/web/topic/utils/node";
+import { type Edge, type Node, ancestors, descendants } from "@/web/topic/utils/graph";
 
 export type Orientation = "DOWN" | "UP" | "RIGHT" | "LEFT";
 export const orientation: Orientation = "DOWN" as Orientation; // not constant to allow potential other orientations in the future, and keeping code that currently exists for handling "LEFT" orientation
@@ -64,6 +63,8 @@ const partitionOrders: { [type in NodeType]: string } = {
   solutionComponent: "2",
   solution: "3",
   obstacle: "null",
+  mitigationComponent: "null",
+  mitigation: "null",
 
   // research
   question: "null",
@@ -82,22 +83,20 @@ const partitionOrders: { [type in NodeType]: string } = {
   custom: "null",
 };
 
-const calculatePartition = (node: Node, edges: Edge[]) => {
+const calculatePartition = (node: Node, diagram: Diagram) => {
   if (["effect", "benefit", "detriment"].includes(node.type)) {
-    const edgesOfNode = nodeEdges(node, edges);
-    const hasParentCreatedBy = edgesOfNode.some(
-      (edge) => edge.label === "createdBy" && edge.target === node.id,
+    // could rely on just edge "createdBy" vs "creates" rather than traversing relations, but then
+    // mitigation effects wouldn't be distinguishable from solution effects
+    const createdByProblem = ancestors(node, diagram, ["createdBy"]).some(
+      (ancestor) => ancestor.type === "problem",
     );
-    const hasChildCreates = edgesOfNode.some(
-      (edge) => edge.label === "creates" && edge.source === node.id,
+    const createdBySolution = descendants(node, diagram, ["creates"]).some(
+      (descendant) => descendant.type === "solution" || descendant.type === "solutionComponent",
     );
 
-    const shouldBeAboveCriteria = hasParentCreatedBy; // effect createdBy problem
-    const shouldBeBelowCriteria = hasChildCreates; // solution creates effect
-
-    if (shouldBeAboveCriteria && shouldBeBelowCriteria) return "null";
-    else if (shouldBeAboveCriteria) return "0";
-    else if (shouldBeBelowCriteria) return "2";
+    if (createdByProblem && createdBySolution) return "null";
+    else if (createdByProblem) return "0";
+    else if (createdBySolution) return "2";
     else return "null";
   } else {
     return partitionOrders[node.type];
@@ -266,7 +265,7 @@ export const layout = async (
             // solutions, components, effects; we might be able to improve that situation by modeling
             // each problem within a nested node. Or maybe we could just do partitioning within
             // a special "problem context view" rather than in the main topic diagram view.
-            "elk.partitioning.partition": calculatePartition(node, edges),
+            "elk.partitioning.partition": calculatePartition(node, diagram),
           },
         };
       }),

src/web/topic/utils/node.ts

@@ -15,6 +15,7 @@ import {
   QuestionMark,
   ThumbDown,
   ThumbUp,
+  VerifiedUserOutlined,
   Widgets,
 } from "@mui/icons-material";
 
@@ -76,6 +77,14 @@ export const nodeDecorations: Record<FlowNodeType, NodeDecoration> = {
     title: "Obstacle",
     NodeIcon: Fence,
   },
+  mitigationComponent: {
+    title: "Component",
+    NodeIcon: Widgets,
+  },
+  mitigation: {
+    title: "Mitigation",
+    NodeIcon: VerifiedUserOutlined,
+  },
 
   // research
   question: {

src/web/view/utils/infoFilter.ts

@@ -177,7 +177,7 @@ const getSolutionDetails = (
   );
 
   const descendantDetails = solutions.flatMap((solution) =>
-    descendants(solution, graph, ["obstacleOf", "addresses", "accomplishes", "contingencyFor"]),
+    descendants(solution, graph, ["createdBy", "obstacleOf", "accomplishes", "contingencyFor"]),
   );
 
   const criteriaIds = criteria.map((criterion) => criterion.id);