From e6f74c56f80d67b2bd0ab5fcbd214231ec4c34c5 Mon Sep 17 00:00:00 2001
From: Sad Ellie <sadellie.dev@gmail.com>
Date: Tue, 12 Dec 2023 11:35:37 +0300
Subject: [PATCH] Superscript support

#138
---
 .../com/sadellie/unitto/data/common/StringUtils.kt  | 12 ++++++++++++
 .../unitto/data/common/NormalizeSuperscriptTest.kt  | 13 +++++++++++++
 .../sadellie/unitto/data/model/unit/AbstractUnit.kt | 11 +++++++++--
 3 files changed, 34 insertions(+), 2 deletions(-)
 create mode 100644 data/common/src/test/java/com/sadellie/unitto/data/common/NormalizeSuperscriptTest.kt

diff --git a/data/common/src/main/java/com/sadellie/unitto/data/common/StringUtils.kt b/data/common/src/main/java/com/sadellie/unitto/data/common/StringUtils.kt
index dea0e339..345a3e18 100644
--- a/data/common/src/main/java/com/sadellie/unitto/data/common/StringUtils.kt
+++ b/data/common/src/main/java/com/sadellie/unitto/data/common/StringUtils.kt
@@ -75,3 +75,15 @@ fun String.isExpression(): Boolean {
     // Rest of the string must be just like positive
     return this.drop(1).isExpression()
 }
+
+fun String.normalizeSuperscript(): String = this
+    .replace('⁰', '0')
+    .replace('¹', '1')
+    .replace('²', '2')
+    .replace('³', '3')
+    .replace('⁴', '4')
+    .replace('⁵', '5')
+    .replace('⁶', '6')
+    .replace('⁷', '7')
+    .replace('⁸', '8')
+    .replace('⁹', '9')
diff --git a/data/common/src/test/java/com/sadellie/unitto/data/common/NormalizeSuperscriptTest.kt b/data/common/src/test/java/com/sadellie/unitto/data/common/NormalizeSuperscriptTest.kt
new file mode 100644
index 00000000..2f7cbd73
--- /dev/null
+++ b/data/common/src/test/java/com/sadellie/unitto/data/common/NormalizeSuperscriptTest.kt
@@ -0,0 +1,13 @@
+package com.sadellie.unitto.data.common
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class NormalizeSuperscriptTest {
+
+    @Test
+    fun normalizeSuperscript() {
+        val input = "⁰¹²³⁴⁵⁶⁷⁸⁹"
+        assertEquals("0123456789", input.normalizeSuperscript())
+    }
+}
diff --git a/data/model/src/main/java/com/sadellie/unitto/data/model/unit/AbstractUnit.kt b/data/model/src/main/java/com/sadellie/unitto/data/model/unit/AbstractUnit.kt
index d6a3a48e..34027af8 100644
--- a/data/model/src/main/java/com/sadellie/unitto/data/model/unit/AbstractUnit.kt
+++ b/data/model/src/main/java/com/sadellie/unitto/data/model/unit/AbstractUnit.kt
@@ -20,6 +20,7 @@ package com.sadellie.unitto.data.model.unit
 
 import android.content.Context
 import com.sadellie.unitto.data.common.lev
+import com.sadellie.unitto.data.common.normalizeSuperscript
 import com.sadellie.unitto.data.model.UnitGroup
 import java.math.BigDecimal
 
@@ -52,7 +53,10 @@ fun Sequence<AbstractUnit>.filterByLev(stringA: String, context: Context): Seque
     // List of pair: Unit and it's levDist
     val unitsWithDist = mutableListOf<Pair<AbstractUnit, Int>>()
     this.forEach { unit ->
-        val unitShortName: String = context.getString(unit.shortName).lowercase()
+        val unitShortName: String = context
+            .getString(unit.shortName)
+            .lowercase()
+            .normalizeSuperscript()
         /**
          * There is a chance that we search for unit with a specific short name. Such cases are
          * should be higher in the list. Best possible match.
@@ -62,7 +66,10 @@ fun Sequence<AbstractUnit>.filterByLev(stringA: String, context: Context): Seque
             return@forEach
         }
 
-        val unitFullName: String = context.getString(unit.displayName).lowercase()
+        val unitFullName: String = context
+            .getString(unit.displayName)
+            .lowercase()
+            .normalizeSuperscript()
 
         /**
          * There is chance that unit name doesn't need any edits (contains part of the query)