Impl faction augs filter helper function

src/Faction/FactionHelpers.tsx

@@ -8,6 +8,7 @@ import { CONSTANTS } from "../Constants";
 import { Faction } from "./Faction";
 import { Factions } from "./Factions";
 import { Player } from "../Player";
+import { IPlayer } from "../PersonObjects/IPlayer";
 import { Settings } from "../Settings/Settings";
 import {
   getHackingWorkRepGain,
@@ -32,9 +33,8 @@ export function joinFaction(faction: Faction): void {
   if (faction.isMember) return;
   faction.isMember = true;
   Player.factions.push(faction.name);
-  const allFactions = Object.values(FactionNames).map(faction => faction as string)
-  Player.factions.sort((a, b) =>
-    allFactions.indexOf(a) - allFactions.indexOf(b));
+  const allFactions = Object.values(FactionNames).map((faction) => faction as string);
+  Player.factions.sort((a, b) => allFactions.indexOf(a) - allFactions.indexOf(b));
   const factionInfo = faction.getInfo();
 
   //Determine what factions you are banned from now that you have joined this faction
@@ -134,18 +134,18 @@ export function purchaseAugmentation(aug: Augmentation, fac: Faction, sing = fal
     } else if (!Settings.SuppressBuyAugmentationConfirmation) {
       dialogBoxCreate(
         "You purchased " +
-        aug.name +
-        ". Its enhancements will not take " +
-        "effect until they are installed. To install your augmentations, go to the " +
-        "'Augmentations' tab on the left-hand navigation menu. Purchasing additional " +
-        "augmentations will now be more expensive.",
+          aug.name +
+          ". Its enhancements will not take " +
+          "effect until they are installed. To install your augmentations, go to the " +
+          "'Augmentations' tab on the left-hand navigation menu. Purchasing additional " +
+          "augmentations will now be more expensive.",
       );
     }
   } else {
     dialogBoxCreate(
       "Hmm, something went wrong when trying to purchase an Augmentation. " +
-      "Please report this to the game developer with an explanation of how to " +
-      "reproduce this.",
+        "Please report this to the game developer with an explanation of how to " +
+        "reproduce this.",
     );
   }
   return "";
@@ -193,3 +193,30 @@ export function processPassiveFactionRepGain(numCycles: number): void {
     faction.playerReputation += rate * numCycles * Player.faction_rep_mult * BitNodeMultipliers.FactionPassiveRepGain;
   }
 }
+
+export const getFactionAugmentationsFiltered = (player: IPlayer, faction: Faction) => {
+  // If player has a gang with this faction, return (almost) all augmentations
+  if (player.hasGangWith(faction.name)) {
+    let augs = Object.values(Augmentations);
+
+    // Remove special augs
+    augs = augs.filter((a) => !a.isSpecial);
+
+    const blacklist = [AugmentationNames.NeuroFluxGovernor];
+
+    if (player.bitNodeN !== 2) {
+      // Remove faction-unique augs that don't belong to this faction
+      augs = augs.filter((a) => a.factions.length > 1 || faction.augmentations.includes(a.name));
+
+      // TRP is not available outside of BN2 for Gangs
+      blacklist.push(AugmentationNames.TheRedPill);
+    }
+
+    // Remove blacklisted augs
+    augs = augs.filter((a) => !blacklist.includes(a.name));
+
+    return augs.map((a) => a.name);
+  }
+
+  return faction.augmentations.slice();
+};

src/Faction/ui/AugmentationsPage.tsx

@@ -10,7 +10,7 @@ import { AugmentationNames } from "../../Augmentation/data/AugmentationNames";
 import { Faction } from "../Faction";
 import { PurchaseAugmentationsOrderSetting } from "../../Settings/SettingEnums";
 import { Settings } from "../../Settings/Settings";
-import { hasAugmentationPrereqs } from "../FactionHelpers";
+import { hasAugmentationPrereqs, getFactionAugmentationsFiltered } from "../FactionHelpers";
 
 import { use } from "../../ui/Context";
 import { Reputation } from "../../ui/React/Reputation";
@@ -42,25 +42,7 @@ export function AugmentationsPage(props: IProps): React.ReactElement {
   }
 
   function getAugs(): string[] {
-    if (isPlayersGang) {
-      let augs = Object.values(Augmentations);
-
-      // Remove special augs.
-      augs = augs.filter((a) => !a.isSpecial);
-
-      if (player.bitNodeN !== 2) {
-        // Remove faction-unique augs outside BN2. (But keep the one for this faction.)
-        augs = augs.filter((a) => a.factions.length > 1 || props.faction.augmentations.includes(a.name));
-
-        // Remove blacklisted augs.
-        const blacklist = [AugmentationNames.NeuroFluxGovernor, AugmentationNames.TheRedPill];
-        augs = augs.filter((a) => !blacklist.includes(a.name));
-      }
-
-      return augs.map((a) => a.name);
-    } else {
-      return props.faction.augmentations.slice();
-    }
+    return getFactionAugmentationsFiltered(player, props.faction);
   }
 
   function getAugsSorted(): string[] {

src/Faction/ui/FactionsRoot.tsx

@@ -9,7 +9,7 @@ import { Table, TableCell } from "../../ui/React/Table";
 import { IRouter } from "../../ui/Router";
 
 import { Faction } from "../Faction";
-import { joinFaction } from "../FactionHelpers";
+import { joinFaction, getFactionAugmentationsFiltered } from "../FactionHelpers";
 import { Factions } from "../Factions";
 import { FactionNames } from "../data/FactionNames";
 
@@ -52,26 +52,7 @@ export function FactionsRoot(props: IProps): React.ReactElement {
   }
 
   const getAugsLeft = (faction: Faction, player: IPlayer): number => {
-    const isPlayersGang = player.inGang() && player.getGangName() === faction.name;
-    let augs: string[] = [];
-
-    if (isPlayersGang) {
-      for (const augName of Object.keys(Augmentations)) {
-        const aug = Augmentations[augName];
-        if (
-          augName === AugmentationNames.NeuroFluxGovernor ||
-          (augName === AugmentationNames.TheRedPill && player.bitNodeN !== 2) ||
-          // Special augs (i.e. Bladeburner augs)
-          aug.isSpecial ||
-          // Exclusive augs (i.e. QLink)
-          (aug.factions.length <= 1 && !faction.augmentations.includes(augName) && player.bitNodeN !== 2)
-        )
-          continue;
-        augs.push(augName);
-      }
-    } else {
-      augs = faction.augmentations.slice();
-    }
+    const augs = getFactionAugmentationsFiltered(player, faction);
 
     return augs.filter((augmentation: string) => !player.hasAugmentation(augmentation)).length;
   };

src/NetscriptFunctions/Singularity.ts

@@ -1,7 +1,7 @@
 import { INetscriptHelper } from "./INetscriptHelper";
 import { WorkerScript } from "../Netscript/WorkerScript";
 import { IPlayer } from "../PersonObjects/IPlayer";
-import { purchaseAugmentation, joinFaction } from "../Faction/FactionHelpers";
+import { purchaseAugmentation, joinFaction, getFactionAugmentationsFiltered } from "../Faction/FactionHelpers";
 import { startWorkerScript } from "../NetscriptWorker";
 import { Augmentation } from "../Augmentation/Augmentation";
 import { Augmentations } from "../Augmentation/Augmentations";
@@ -118,26 +118,7 @@ export function NetscriptSingularity(
       helper.checkSingularityAccess("getAugmentationsFromFaction");
       const faction = getFaction("getAugmentationsFromFaction", facName);
 
-      // If player has a gang with this faction, return all augmentations.
-      if (player.hasGangWith(facName)) {
-        let augs = Object.values(Augmentations);
-
-        // Remove special augs.
-        augs = augs.filter((a) => !a.isSpecial);
-
-        if (player.bitNodeN !== 2) {
-          // Remove faction-unique augs outside BN2. (But keep the one for this faction.)
-          augs = augs.filter((a) => a.factions.length > 1 || Factions[facName].augmentations.includes(a.name));
-
-          // Remove blacklisted augs.
-          const blacklist = [AugmentationNames.NeuroFluxGovernor, AugmentationNames.TheRedPill];
-          augs = augs.filter((a) => !blacklist.includes(a.name));
-        }
-
-        return augs.map((a) => a.name);
-      }
-
-      return faction.augmentations.slice();
+      return getFactionAugmentationsFiltered(player, faction);
     },
     getAugmentationCost: function (_augName: unknown): [number, number] {
       const augName = helper.string("getAugmentationCost", "augName", _augName);
@@ -182,24 +163,7 @@ export function NetscriptSingularity(
       const fac = getFaction("purchaseAugmentation", facName);
       const aug = getAugmentation("purchaseAugmentation", augName);
 
-      let augs = [];
-      if (player.hasGangWith(facName)) {
-        for (const augName of Object.keys(Augmentations)) {
-          const aug = Augmentations[augName];
-          if (
-            augName === AugmentationNames.NeuroFluxGovernor ||
-            (augName === AugmentationNames.TheRedPill && player.bitNodeN !== 2) ||
-            // Special augs (i.e. Bladeburner augs)
-            aug.isSpecial ||
-            // Exclusive augs (i.e. QLink)
-            (aug.factions.length <= 1 && !fac.augmentations.includes(augName) && player.bitNodeN !== 2)
-          )
-            continue;
-          augs.push(augName);
-        }
-      } else {
-        augs = fac.augmentations;
-      }
+      const augs = getFactionAugmentationsFiltered(player, fac);
 
       if (!augs.includes(augName)) {
         workerScript.log(