diff --git a/package-lock.json b/package-lock.json
index 3fb12fd..68cee5f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,11 +11,12 @@
       "dependencies": {
         "cors": "^2.8.5",
         "express": "^4.18.2",
-        "morgan": "^1.10.0",
-        "nodemon": "^3.0.1"
+        "morgan": "^1.10.0"
       },
       "devDependencies": {
+        "@types/jest": "^29.5.11",
         "jest": "^29.7.0",
+        "nodemon": "^3.0.2",
         "supertest": "^6.2.3"
       }
     },
@@ -1149,6 +1150,16 @@
         "@types/istanbul-lib-report": "*"
       }
     },
+    "node_modules/@types/jest": {
+      "version": "29.5.11",
+      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-29.5.11.tgz",
+      "integrity": "sha512-S2mHmYIVe13vrm6q4kN6fLYYAka15ALQki/vgDC3mIukEOx8WJlv0kQPM+d4w8Gp6u0uSdKND04IlTXBv0rwnQ==",
+      "dev": true,
+      "dependencies": {
+        "expect": "^29.0.0",
+        "pretty-format": "^29.0.0"
+      }
+    },
     "node_modules/@types/node": {
       "version": "20.10.5",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.10.5.tgz",
@@ -1182,7 +1193,8 @@
     "node_modules/abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
-      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==",
+      "dev": true
     },
     "node_modules/accepts": {
       "version": "1.3.8",
@@ -1239,6 +1251,7 @@
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.3.tgz",
       "integrity": "sha512-KMReFUr0B4t+D+OBkjR3KYqvocp2XaSzO55UcB6mgQMd3KbcE+mWTyvVV7D/zsdEbNnV6acZUutkiHQXvTr1Rw==",
+      "dev": true,
       "dependencies": {
         "normalize-path": "^3.0.0",
         "picomatch": "^2.0.4"
@@ -1383,7 +1396,8 @@
     "node_modules/balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
-      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
+      "dev": true
     },
     "node_modules/basic-auth": {
       "version": "2.0.1",
@@ -1405,6 +1419,7 @@
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
       "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
+      "dev": true,
       "engines": {
         "node": ">=8"
       }
@@ -1436,6 +1451,7 @@
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
       "dependencies": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -1445,6 +1461,7 @@
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
       "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
+      "dev": true,
       "dependencies": {
         "fill-range": "^7.0.1"
       },
@@ -1587,6 +1604,7 @@
       "version": "3.5.3",
       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.5.3.tgz",
       "integrity": "sha512-Dr3sfKRP6oTcjf2JmUmFJfeVMvXBdegxB0iVQ5eb2V10uFJUCAS8OByZdVAyVb8xXNz3GjjTgj9kLWsZTqE6kw==",
+      "dev": true,
       "funding": [
         {
           "type": "individual",
@@ -1702,7 +1720,8 @@
     "node_modules/concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg=="
+      "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
+      "dev": true
     },
     "node_modules/content-disposition": {
       "version": "0.5.4",
@@ -2097,6 +2116,7 @@
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
       "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
+      "dev": true,
       "dependencies": {
         "to-regex-range": "^5.0.1"
       },
@@ -2189,6 +2209,7 @@
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
       "integrity": "sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==",
+      "dev": true,
       "hasInstallScript": true,
       "optional": true,
       "os": [
@@ -2283,6 +2304,7 @@
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
       "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
+      "dev": true,
       "dependencies": {
         "is-glob": "^4.0.1"
       },
@@ -2422,7 +2444,8 @@
     "node_modules/ignore-by-default": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/ignore-by-default/-/ignore-by-default-1.0.1.tgz",
-      "integrity": "sha512-Ius2VYcGNk7T90CppJqcIkS5ooHUZyIQK+ClZfMfMNFEF9VSE73Fq+906u/CWu92x4gzZMWOwfFYckPObzdEbA=="
+      "integrity": "sha512-Ius2VYcGNk7T90CppJqcIkS5ooHUZyIQK+ClZfMfMNFEF9VSE73Fq+906u/CWu92x4gzZMWOwfFYckPObzdEbA==",
+      "dev": true
     },
     "node_modules/import-local": {
       "version": "3.1.0",
@@ -2485,6 +2508,7 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
       "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
+      "dev": true,
       "dependencies": {
         "binary-extensions": "^2.0.0"
       },
@@ -2508,6 +2532,7 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
       "integrity": "sha512-SbKbANkN603Vi4jEZv49LeVJMn4yGwsbzZworEoyEiutsN3nJYdbO36zfhGJ6QEDpOZIFkDtnq5JRxmvl3jsoQ==",
+      "dev": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -2534,6 +2559,7 @@
       "version": "4.0.3",
       "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.3.tgz",
       "integrity": "sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==",
+      "dev": true,
       "dependencies": {
         "is-extglob": "^2.1.1"
       },
@@ -2545,6 +2571,7 @@
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
       "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
+      "dev": true,
       "engines": {
         "node": ">=0.12.0"
       }
@@ -3511,6 +3538,7 @@
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
       "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+      "dev": true,
       "dependencies": {
         "brace-expansion": "^1.1.7"
       },
@@ -3579,6 +3607,7 @@
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/nodemon/-/nodemon-3.0.2.tgz",
       "integrity": "sha512-9qIN2LNTrEzpOPBaWHTm4Asy1LxXLSickZStAQ4IZe7zsoIpD/A7LWxhZV3t4Zu352uBcqVnRsDXSMR2Sc3lTA==",
+      "dev": true,
       "dependencies": {
         "chokidar": "^3.5.2",
         "debug": "^4",
@@ -3606,6 +3635,7 @@
       "version": "4.3.4",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
       "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+      "dev": true,
       "dependencies": {
         "ms": "2.1.2"
       },
@@ -3622,6 +3652,7 @@
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
       "integrity": "sha512-sKJf1+ceQBr4SMkvQnBDNDtf4TXpVhVGateu0t918bl30FnbE2m4vNLX+VWe/dpjlb+HugGYzW7uQXH98HPEYw==",
+      "dev": true,
       "engines": {
         "node": ">=4"
       }
@@ -3630,6 +3661,7 @@
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
       "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+      "dev": true,
       "dependencies": {
         "yallist": "^4.0.0"
       },
@@ -3640,12 +3672,14 @@
     "node_modules/nodemon/node_modules/ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+      "dev": true
     },
     "node_modules/nodemon/node_modules/semver": {
       "version": "7.5.4",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
       "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
+      "dev": true,
       "dependencies": {
         "lru-cache": "^6.0.0"
       },
@@ -3660,6 +3694,7 @@
       "version": "5.5.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
       "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+      "dev": true,
       "dependencies": {
         "has-flag": "^3.0.0"
       },
@@ -3670,12 +3705,14 @@
     "node_modules/nodemon/node_modules/yallist": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
-      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
+      "dev": true
     },
     "node_modules/nopt": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/nopt/-/nopt-1.0.10.tgz",
       "integrity": "sha512-NWmpvLSqUrgrAC9HCuxEvb+PSloHpqVu+FqcO4eeF2h5qYRhA7ev6KvelyQAKtegUbC6RypJnlEOhd8vloNKYg==",
+      "dev": true,
       "dependencies": {
         "abbrev": "1"
       },
@@ -3690,6 +3727,7 @@
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
       "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==",
+      "dev": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -3890,6 +3928,7 @@
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
       "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "dev": true,
       "engines": {
         "node": ">=8.6"
       },
@@ -3972,7 +4011,8 @@
     "node_modules/pstree.remy": {
       "version": "1.1.8",
       "resolved": "https://registry.npmjs.org/pstree.remy/-/pstree.remy-1.1.8.tgz",
-      "integrity": "sha512-77DZwxQmxKnu3aR542U+X8FypNzbfJ+C5XQDk3uWjWxn6151aIMGthWYRXTqT1E5oJvg+ljaa2OJi+VfvCOQ8w=="
+      "integrity": "sha512-77DZwxQmxKnu3aR542U+X8FypNzbfJ+C5XQDk3uWjWxn6151aIMGthWYRXTqT1E5oJvg+ljaa2OJi+VfvCOQ8w==",
+      "dev": true
     },
     "node_modules/pure-rand": {
       "version": "6.0.4",
@@ -4036,6 +4076,7 @@
       "version": "3.6.0",
       "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
       "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
+      "dev": true,
       "dependencies": {
         "picomatch": "^2.2.1"
       },
@@ -4237,6 +4278,7 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/simple-update-notifier/-/simple-update-notifier-2.0.0.tgz",
       "integrity": "sha512-a2B9Y0KlNXl9u/vsW6sTIu9vGEpfKu2wRV6l1H3XEas/0gUIzGzBoP/IouTcUQbm9JWZLH3COxyn03TYlFax6w==",
+      "dev": true,
       "dependencies": {
         "semver": "^7.5.3"
       },
@@ -4248,6 +4290,7 @@
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
       "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+      "dev": true,
       "dependencies": {
         "yallist": "^4.0.0"
       },
@@ -4259,6 +4302,7 @@
       "version": "7.5.4",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
       "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
+      "dev": true,
       "dependencies": {
         "lru-cache": "^6.0.0"
       },
@@ -4272,7 +4316,8 @@
     "node_modules/simple-update-notifier/node_modules/yallist": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
-      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
+      "dev": true
     },
     "node_modules/sisteransi": {
       "version": "1.0.5",
@@ -4562,6 +4607,7 @@
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
       "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "dev": true,
       "dependencies": {
         "is-number": "^7.0.0"
       },
@@ -4581,6 +4627,7 @@
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/touch/-/touch-3.1.0.tgz",
       "integrity": "sha512-WBx8Uy5TLtOSRtIq+M03/sKDrXCLHxwDcquSP2c43Le03/9serjQBIztjRz6FkJez9D/hleyAXTBGLwwZUw9lA==",
+      "dev": true,
       "dependencies": {
         "nopt": "~1.0.10"
       },
@@ -4624,7 +4671,8 @@
     "node_modules/undefsafe": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
-      "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA=="
+      "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==",
+      "dev": true
     },
     "node_modules/undici-types": {
       "version": "5.26.5",
@@ -4815,4 +4863,4 @@
       }
     }
   }
-}
+}
\ No newline at end of file
diff --git a/package.json b/package.json
index ec6510a..e8f6d64 100644
--- a/package.json
+++ b/package.json
@@ -21,11 +21,16 @@
   "dependencies": {
     "cors": "^2.8.5",
     "express": "^4.18.2",
-    "morgan": "^1.10.0",
-    "nodemon": "^3.0.1"
+    "morgan": "^1.10.0"
   },
   "devDependencies": {
+    "@types/jest": "^29.5.11",
     "jest": "^29.7.0",
+    "nodemon": "^3.0.2",
     "supertest": "^6.2.3"
+  },
+  "directories": {
+    "doc": "docs",
+    "test": "test"
   }
-}
+}
\ No newline at end of file
diff --git a/src/server.js b/src/server.js
index 30f0ce3..8d585c4 100644
--- a/src/server.js
+++ b/src/server.js
@@ -1,13 +1,124 @@
-const express = require("express")
-const morgan = require("morgan")
-const cors = require("cors")
-const app = express()
+const express = require("express");
+const morgan = require("morgan");
+const cors = require("cors");
 
-app.use(morgan("dev"))
-app.use(cors())
-app.use(express.json())
+const contacts = require("../data/contacts.js");
+const meetings = require("../data/meetings.js");
 
-// write your app code here
+const app = express();
 
+app.use(morgan("dev"));
+app.use(cors());
+app.use(express.json());
 
-module.exports = app
+const STATE = {
+  contacts,
+  nextContactId: 3,
+  meetings,
+  nextMeetingId: 4,
+};
+
+const getNextContactId = () => {
+  return STATE.nextContactId++;
+};
+
+const getNextMeetingId = () => {
+  return STATE.nextMeetingId++;
+};
+
+/**
+ * @param {array} array
+ * @param {import('express').Request} req
+ * @returns {number}
+ */
+const findStateIndex = (array, req) => {
+  const { id } = req.params;
+  const foundIndex = array.findIndex((contact) => contact.id === Number(id));
+  return foundIndex;
+};
+
+app.get("/contacts", (req, res) => {
+  res.json({ contacts: STATE.contacts });
+});
+
+app.post("/contacts", (req, res) => {
+  const count = STATE.contacts.push(req.body);
+  const newContact = { contact: STATE.contacts[count - 1] };
+  newContact.contact.id = getNextContactId();
+  res.status(201).json(newContact);
+});
+
+app.get("/contacts/:id", (req, res) => {
+  const foundIndex = findStateIndex(STATE.contacts, req);
+  res.json({ contact: STATE.contacts[foundIndex] });
+});
+
+app.delete("/contacts/:id", (req, res) => {
+  const foundContactIndex = findStateIndex(STATE.contacts, req);
+  const [removedContact] = STATE.contacts.splice(foundContactIndex, 1);
+
+  STATE.meetings = STATE.meetings.filter(
+    (meeting) => meeting.contactId !== Number(req.params.id)
+  );
+
+  res.json({ contact: removedContact });
+});
+
+app.put("/contacts/:id", (req, res) => {
+  const foundIndex = findStateIndex(STATE.contacts, req);
+  const foundContact = (STATE.contacts[foundIndex] = {
+    ...req.body,
+    id: Number(req.params.id),
+  });
+
+  res.json({ contact: foundContact });
+});
+
+/* 
+
+Meetings
+
+*/
+
+app.get("/meetings", (req, res) => {
+  res.json({ meetings: STATE.meetings });
+});
+
+app.get("/meetings/:id", (req, res) => {
+  const foundIndex = findStateIndex(STATE.meetings, req);
+  res.json({ meeting: STATE.meetings[foundIndex] });
+});
+
+app.delete("/meetings/:id", (req, res) => {
+  const foundIndex = findStateIndex(STATE.meetings, req);
+  const [removedMeeting] = STATE.meetings.splice(foundIndex, 1);
+  res.json({ meeting: removedMeeting });
+});
+
+app.put("/meetings/:id", (req, res) => {
+  const foundMeetingIndex = findStateIndex(STATE.meetings, req);
+  const foundMeeting = STATE.meetings[foundMeetingIndex];
+
+  foundMeeting.name = req.body.name;
+  res.json({ meeting: foundMeeting });
+});
+
+app.get("/contacts/:id/meetings", (req, res) => {
+  const foundContactIndex = findStateIndex(STATE.contacts, req);
+  const foundMeetings = STATE.meetings.filter(
+    (meeting) => meeting.contactId === Number(req.params.id)
+  );
+  res.json({ meetings: foundMeetings });
+});
+
+app.post("/contacts/:id/meetings", (req, res) => {
+  const count = STATE.meetings.push(req.body);
+  const newMeeting = { meeting: STATE.meetings[count - 1] };
+
+  newMeeting.meeting.id = getNextMeetingId();
+  newMeeting.meeting.contactId = Number(req.params.id);
+  
+  res.status(201).json(newMeeting);
+});
+
+module.exports = app;
\ No newline at end of file